USD330584SExpiredUtility

Vacuum relief plumbing fitting

27
Individually held — no corporate assignee on recordPriority: Jul 2, 1990Filed: Jul 2, 1990Granted: Oct 27, 1992
Est. expiryJul 2, 2010(expired)· nominal 20-yr term from priority
Inventors:Eric G. SnokeMark Boytim
27
PatentIndex Score
4
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a vacuum relief plumbing fitting, as shown and described.

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