Index to the U.S. patent classification.
Saved in:
Imprint: | [Washington, District of Columbia] : U.S. Dept. of Commerce, Patent and Trademark Office, [1977-] [Getzville, New York] : William S. Hein & Company, [2017-] |
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Language: | English |
Series: | HeinOnline intellectual property law collection Intellectual property law collection. |
Subject: | |
Format: | E-Resource U.S. Federal Government Document Journal |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/11418709 |
Varying Form of Title: | Title varies: Index to the U.S. patent classification system 1990- Index to the United States patent classification Index to the US patent classification Index to classification |
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Other authors / contributors: | United States. Patent and Trademark Office, issuing body. |
Frequency: | Updated annually |
Date / volume: | Coverage begins with December 1977. |
Notes: | Description based on PDF title page, viewed March 7, 2017. |
Other form: | Print version: Index to the U.S. patent classification 0161-9470 |
Govt.docs classification: | C 21.12/2: |
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