USD487319SExpiredUtility

Ceiling tile

78
Assignee: ARMSTRONG WORLD IND INCPriority: May 15, 2003Filed: May 15, 2003Granted: Mar 2, 2004
Est. expiryMay 15, 2023(expired)· nominal 20-yr term from priority
Inventors:James R. Baxter
78
PatentIndex Score
23
Cited by
2
References
1
Claims

Claims

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

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