USD253811SExpiredUtility

Pressure gauge

67
Individually held — no corporate assignee on recordPriority: Jul 1, 1977Filed: Jul 1, 1977Granted: Jan 1, 1980
Est. expiryJul 1, 1997(expired)· nominal 20-yr term from priority
Inventors:Zigmund G. BljumshteinLev A. Bychkin
67
PatentIndex Score
11
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a pressure gauge, as shown and described.

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