USD244539SExpiredUtility

Insulating cover for a building vent opening

39
Assignee: MULLIGAN BENNIE LEEPriority: Sep 24, 1975Filed: Sep 24, 1975Granted: May 31, 1977
Est. expirySep 24, 1995(expired)· nominal 20-yr term from priority
Inventors:Bennie Lee Mulligan
39
PatentIndex Score
6
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an insulating cover for a building vent opening, as shown.

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