Schedule 13D                                                         Page 1 of 5

                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                   Under the Securities Exchange Act of 1934
                               (Amendment No.1)*

                                UNI-MARTS, INC.
                                ---------------
                                (Name of Issuer)

                         Common Stock, $0.10 par value
                         -----------------------------
                          Title of Class of Securities

                                   904571304
                                   ---------
                                 (CUSIP Number)

   William F. Griffin, Jr., Davis, Malm & D'Agostine, P.C., One Boston Place,
   --------------------------------------------------------------------------
                            Boston, MA 617-367-2500
                            -----------------------
                 (Name, Address and Telephone Number of Person
               Authorized to Receive Notices and Communications)

                                January 24, 2002
                                ----------------
            (Date of Event which Requires Filing of this Statement)

     If the filing person has previously filed a statement on Schedule 13G to
     report the acquisition that is the subject of this Schedule 13D, and is
     filing this schedule because of (S)240.13d-1(e), 240.13d-1(f) or 240.13d-
     1(g), check the following box. [  ]

     Note: Schedules filed in paper format shall include a signed original and
     five copies of the schedule, including all exhibits.  See (S)240.13d-7 for
     other parties to whom copies are to be sent.

     *The remainder of this cover page shall be filled out for a Reporting
     Person's initial filing on this form with respect to the subject class of
     securities, and for any subsequent amendment containing information which
     would alter disclosures provided in a prior cover page.

     The information required on the remainder of this cover page shall not be
     deemed to be "filed" for the purpose of Section 18 of the Securities
     Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of
     that section of the Act but shall be subject to all other provisions of the
     Act (however, see the Notes).


Schedule 13D                                                         Page 2 of 5

CUSIP No. 904571 30 4

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      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

      HP Limited Partnership (EIN: 05-0502603)

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      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
 2                                                              (a) [_]
                                                                (b) [_]

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      SEC USE ONLY
 3


------------------------------------------------------------------------------
      SOURCE OF FUNDS (SEE INSTRUCTIONS)
 4
      WC

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      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
 5    PURSUANT TO ITEMS 2(d) or 2(e)                                [_]


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      CITIZENSHIP OR PLACE OF ORGANIZATION
 6
      USA

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                          SOLE VOTING POWER
                     7
     NUMBER OF            701,000

      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8
                          0
     OWNED BY
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9
    REPORTING             701,000

      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH         10
                          0
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11
      701,000

------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
      (SEE INSTRUCTIONS)
12                                                                  [_]


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      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
      9.91%

------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
14
      PN

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Schedule 13D                                                         Page 3 of 5

CUSIP No. 904571 30 4

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      NAME OF REPORTING PERSON
 1    S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)

      Yeota Betty Haseotes

------------------------------------------------------------------------------
      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
 2                                                              (a) [_]
                                                                (b) [_]

------------------------------------------------------------------------------
      SEC USE ONLY
 3


------------------------------------------------------------------------------
      SOURCE OF FUNDS (SEE INSTRUCTIONS)
 4
      WC

------------------------------------------------------------------------------
      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
 5    PURSUANT TO ITEMS 2(d) or 2(e)                                [_]


------------------------------------------------------------------------------
      CITIZENSHIP OR PLACE OF ORGANIZATION
 6
      USA

------------------------------------------------------------------------------
                          SOLE VOTING POWER
                     7
     NUMBER OF            701,000

      SHARES       -----------------------------------------------------------
                          SHARED VOTING POWER
   BENEFICIALLY      8
                          0
     OWNED BY
                   -----------------------------------------------------------
       EACH               SOLE DISPOSITIVE POWER
                     9
    REPORTING             701,000

      PERSON       -----------------------------------------------------------
                          SHARED DISPOSITIVE POWER
       WITH         10
                          0
------------------------------------------------------------------------------
      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11
      701,000

------------------------------------------------------------------------------
      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
      (SEE INSTRUCTIONS)
12                                                                  [_]


------------------------------------------------------------------------------
      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
13
      9.91%

------------------------------------------------------------------------------
      TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
14
      IN

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Schedule 13D                                                         Page 4 of 5

CUSIP No. 904571 30 4

Item 4.    Purpose of Transaction

     In the Partnership's view, the present management of the issuer is not
     committed to maximizing the value of the issuer's Common Stock.
     Accordingly, the Partnership has determined that it is in its best
     interests to realize upon the value of its investment in the issuer by (a)
     selling its investment to a third party in a tender offer or business
     combination transaction, (b) joining with one or more third parties in
     making a tender offer or business combination transaction, (c) joining with
     one or more third parties in seeking to change the present management of
     the issuer, or (d) taking other action to enhance and realize upon the
     value of its investment in the issuer.

Item 5.    Interest in Securities of the Issuer

           (a)  The Partnership owns beneficially 701,000 shares of Common Stock
                of the issuer, constituting 9.91% of the issued and outstanding
                shares of Common Stock of the issuer (based upon the number of
                shares outstanding on December 5, 2001, as disclosed in the
                issuer's Form 10-K for the fiscal year ended September 30, 2001.

           (b)  The Partnership has sole power to vote and dispose of the
                securities referred to in paragraph 5(a). Under the rules of the
                Securities and Exchange Commission, Yeota Betty Haseotes, the
                sole general partner of the Partnership, may also be deemed to
                have sole power to vote and dispose of said securities.

           (c)  During the past 60 days, the Partnership effected the following
                transactions in the Common Stock of the issuer:

                Date                No. Shs.          Price per Share
                ----                --------          ---------------
            January 17, 2002         7,900                $2.60
            January 18, 2002         2,400                 2.60
            January 22, 2002         1,300                 2.90
            January 23, 2002         6,200                 2.90
            January 24, 2002        15,000                 2.95
            January 24, 2002        16,800                 2.90

           All such transactions were open market purchases on the American
           Stock Exchange.

           (d)  No other person is known to have the right to direct the receipt
                of dividends from, or the proceeds from the sale of such
                securities.

           (e)  Not applicable.


Schedule 13D                                                         Page 5 of 5

CUSIP No. 904571 30 4


                                   Signature

     After reasonable inquiry and to the best of our knowledge and belief, we
     certify that the information set forth in this statement is true, complete
     and correct.


     Date:  January 24, 2002    HP LIMITED PARTNERSHIP

                                By /S/ YEOTA BETTY HASEOTES
                                   -----------------------------
                                       Yeota Betty Haseotes,
                                          General Partner


                                   /S/ YEOTA BETTY HASEOTES
                                   ------------------------------
                                   Yeota Betty Haseotes

     The original statement shall be signed by each person on whose behalf the
     statement is filed or his authorized representative.  If the statement is
     signed on behalf of a person by his authorized representative (other than
     an executive officer or general partner of the filing person), evidence of
     the representative's authority to sign on behalf of such person shall be
     filed with the statement: provided, however, that a power of attorney for
     this purpose which is already on file with the Commission may be
     incorporated by reference.  The name and any title of each person who signs
     the statement shall be typed or printed beneath his signature.


           Attention: Intentional misstatements or omissions of fact
          constitute Federal criminal violations (See 18 U.S.C. 1001)