OFFICIAL GAZETTE of the
                 UNITED STATES PATENT AND TRADEMARK OFFICE

March 28, 1995                   Volume 1172                        Number 4

                                   CONTENTS                            Page

Patent and Trademark Office Notices
   Patent Cooperation Treaty (PCT) Information
   Notice of Maintenance Fees Payable
   Notice of Expiration of Patents Due to Failure to Pay Maintenance
      Fee
   Reissue Applications Filed
   Requests for Reexaminations Filed
   Notice of Expiration of Trademark Registrations Due To
      Failure to Renew
   Reclassification Alert Report
   Service by Publication
   Service by Publication
   Changes in Practice Concerning Letters of Protest
   Request for Copies of Letters of Protest
   Patent Certificates of Correction
Summary of Final Decisions
   Issued by the Trademark Trial and Appeal Board
Special Boxes for Mail
Reference Collections of U.S. Patents Available for Public Use in
   Patent Depository Libraries
Patent Examining Corps
Condition of Trademark Applications
Reexaminations
Reissue Patents Granted (34,888)
Plant Patents Granted (9,094)
Patents Granted
   General and Mechanical (5,401,275)
   Chemical (5,401,896)
   Electrical (5,402,534)
Design Patents Granted (356,882)
Index of Patentees
Indices of Reissue, Reexaminations, Design and Plant Patents
Classification of
   Patents (Including Reissues and Reexaminations)
   Designs and Plants Applications
Geographical Index of Residence of Inventors
   Patents (Including Reissues and Reexaminations)
   Designs and Plant Applications
Change of Address Form
Subscription Order Form

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   GENERAL INFORMATION concerning PATENTS. Stock No. 003-004-00661-7


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