			    OFFICIAL GAZETTE of the
		   UNITED STATES PATENT AND TRADEMARK OFFICE
			        
April 11, 2000                   Volume 1233  	               Number 2

			         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 03/03/00			  
   Reissue Applications Filed 					  
   Requests for Reexamination Filed				  
   Notice Regarding Technical Center
      Box Issue Fee Mailings					  
   Service of Publication					  
   Registration to Practice
   Reinstatment to Register
   37 CFR   1.47 Notice by Publication
   Applications and Patents Available for License or Sale
   Changes to Application Examination and
      Provisional Applications Practice
   Status Of Office Of Public Records Services
   American Inventors Protection Act
   Errata
   Certificates of Correction					  
   Fiscal Year 2000 Board of Patents Appeals and Interferences
      Receipts and Dispositions by Groups Ex Parte Appeals
   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 Technology Centers					  
Condition of Trademark Applications				  
Reexaminations 							 
Statutory Invention Registrations
Reissue Patents Granted (36,648)				 
Plant Patents Granted (11,334)   				 
Patents Granted
   General and Mechanical (6,047,399)				 
   Chemical (6,048,367)						 
   Electrical (6,049,031)					 
Design Patents Granted (422,395)				 
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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