Index to the U.S. patent classification [electronic resource].
T223 .A25
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Title
Index to the U.S. patent classification [electronic resource].
Variant Title
Title varies: Index to the U.S. patent classification system <1991->
Cover Title
Index, U.S. Patent classification system <dec. 1999->
Running Title
Index to classification Dec. 1977-
Publication Details
[Washington, D.C.] : U.S. Dept. of Commerce, Patent and Trademark Office : [Supt. of Docs., U.S. G.P.O., distributor
Language
English
Description
v. ; 28 cm.
Frequency
Annual
Publication Coverage
Began with Dec. 1977.
Call Number
T223 .A25
GPO Item No.
0257
Note
Description based on: 1980.
Latest issue consulted: Dec. 1999.
Description based on print version record.
Latest issue consulted: Dec. 1999.
Description based on print version record.
Issuing Body Note
Vols. for <1993-> issued by: U.S. Dept. of Commerce, U.S. Patent and Trademark Office, Assistant Secretary and Commissioner of Patents and Trademarks, Office of Classification Support.
Linking Note
Companion to: Manual of classification.
Added Corporate Author
Continues
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