USD361389SExpiredUtility

Cover unit for ceiling rails

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Assignee: ARMSTRONG WORLD IND INCPriority: Mar 22, 1993Filed: Mar 22, 1993Granted: Aug 15, 1995
Est. expiryMar 22, 2013(expired)· nominal 20-yr term from priority
Inventors:Wesley T. K. Bischel
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PatentIndex Score
6
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a cover unit for ceiling rails, as shown and described.

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