USD308578SExpiredUtility

Embossed acoustical ceiling panel

74
Assignee: USG INTERIORS INCPriority: Mar 17, 1987Filed: Mar 17, 1987Granted: Jun 12, 1990
Est. expiryMar 17, 2007(expired)· nominal 20-yr term from priority
Inventors:Theodore E. Hillman
74
PatentIndex Score
16
Cited by
13
References
1
Claims

Claims

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

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