OFFICIAL GAZETTE of the
                   UNITED STATES PATENT AND TRADEMARK OFFICE
                                
December 1, 1998                Volume 1217                    Number 1

                                 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
   Patents Reinstated Due to the Acceptance of a
      Late Maintenance Fee From 09/25/98
   Reissue Applications Filed 
   Commissioner Ordered Reexaminations
   Requests for Reexamination Filed
   Notice of Expiration of Trademark Registrations
      Due To Failure to Renew
   Notice Regarding Technical Center
      Box Issue Fee Mailings
   Establishment of Box REISSUE
      Elimination of Box 7
   Service by Publication
   37 CFR 1.47 Notice by Publication
   Patent Term Extension Information
   Request for Comments on Interim Guidelines
   Applications on Papers that Comply With Requirements
   Publication of Opinions and Orders
   Interference Practice - Interference Rules
   Interference Practice - New Procedures
   Partial Payment of Patent Fees
   Removal of Surface Treatment From Design Drawings Permitted
   Patent Terms Extended Under 35 U.S.C.   156(d)(5)
   Errata
   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                    
Statutory Invention Registrations
Reissue Patents Granted (35,973)
Plant Patents Granted (10,707)   
Patents Granted December 1, 1998 - Errata
Patents Granted
   General and Mechanical (5,842,227)
   Chemical (5,843,190)
   Electrical (5,844,122)
Design Patents Granted (401,735)
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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