USD263424SExpiredUtility

Acoustical ceiling panel

57
Assignee: OWENS CORNING FIBERGLASS CORPPriority: Sep 27, 1979Filed: Sep 27, 1979Granted: Mar 16, 1982
Est. expirySep 27, 1999(expired)· nominal 20-yr term from priority
Inventors:Mark R. Weitzman
57
PatentIndex Score
6
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an acoustical ceiling panel, substantially as shown.

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