USD310952SExpiredUtility

Door closer

47
Assignee: KASON IND INCPriority: Mar 30, 1988Filed: Mar 30, 1988Granted: Oct 2, 1990
Est. expiryMar 30, 2008(expired)· nominal 20-yr term from priority
Inventors:Burl Finkelstein
47
PatentIndex Score
4
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2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a door closer, as shown and described.

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