USD517580SExpiredUtility

Operator for upwardly acting door

35
Assignee: WAYNE DALTON CORPPriority: Apr 21, 2004Filed: Apr 21, 2004Granted: Mar 21, 2006
Est. expiryApr 21, 2024(expired)· nominal 20-yr term from priority
Inventors:Willis Jay MulletDonald Bruce Kyle
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PatentIndex Score
2
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an operator for upwardly acting door, as shown and described.

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