USD308603SExpiredUtility

Signboard frame

63
Assignee: SILENT SOUND SYSTEMS INCPriority: Oct 14, 1987Filed: Oct 14, 1987Granted: Jun 19, 1990
Est. expiryOct 14, 2007(expired)· nominal 20-yr term from priority
Inventors:H. Thomas De MaatJay Schoeppe
63
PatentIndex Score
14
Cited by
13
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for signboard frame, as shown and described.

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