Official gazette of the United States Patent and Trademark Office  patents. 
 Official gazette.  <1981->  Patents 

 - [Washington, D.C.]  U.S. Dept. of Commerce, Patent and Trademark Office  [Supt. of Docs., U.S. G.P.O., distributor, 
 - v.  ill.  26 cm. 
 - Began with v. 931, Feb. 4, 1975. 
<br/><br/> Includes both printed and CD-ROM formats.  Vol. 1280, No. 1 on forward: Available in CD-ROM format.  Cover title.  Annual indexes sold separately.  Description based on: Vol. 996, no. 1 (July 1, 1980) 
<br/><br/> Metals abstracts  0026-0924  World aluminum abstracts  0002-6697 
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<br/><br/><label>ISSN: </label>0098-1133 
<br/><br/><label>CODEN: </label>OGXXDB 
<br/><br/><label>Source: </label>703-033-00000-8 
<br/><br/><label>LCCN: </label>75641794 //r81 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Patents--Periodicals.--United States
<br/><br/><label>LC Class. No.: </label>T223  / .A23 
<br/><br/><label>Dewey Class. No.: </label>608/.7/73 
<br/><br/><label>GPO Item No.: </label>0260 0260-B (microfiche) 0260-A-01 (CD-ROM) 
<br/><br/><label>Gov. Doc. Class. No.: </label>C 21.5/6: