USD322924SExpiredUtility

Ceiling tile trimming tool

37
Assignee: ARMSTRONG WORLD IND INCPriority: Nov 18, 1988Filed: Nov 18, 1988Granted: Jan 7, 1992
Est. expiryNov 18, 2008(expired)· nominal 20-yr term from priority
Inventors:Melvin H. ShaubJ. Robert Herr
37
PatentIndex Score
3
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ceiling tile trimming tool, as shown and described.

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