USD496577SExpiredUtility

Door exit device

68
Assignee: DOR O MATIC INCPriority: Aug 30, 2002Filed: Aug 30, 2002Granted: Sep 28, 2004
Est. expiryAug 30, 2022(expired)· nominal 20-yr term from priority
Inventors:Richard B. CohrsEric K. ArthurMarlin AustinLoren D. Mueller
68
PatentIndex Score
16
Cited by
45
References
1
Claims

Claims

exact text as granted — not AI-modified
We claim the ornamental design for a door exit device, as shown and described.

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