USD277026SExpiredUtility

Base of a roof vent

47
Individually held — no corporate assignee on recordPriority: Sep 27, 1982Filed: Sep 27, 1982Granted: Jan 1, 1985
Est. expirySep 27, 2002(expired)· nominal 20-yr term from priority
Inventors:Arthur L. WaltzElwin E. Peirce
47
PatentIndex Score
4
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a base of a roof vent, as shown and described.

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