USD340199SExpiredUtility

Alarm for signaling unauthorized door exit and entry

70
Assignee: SAFETY TECH INTERNATIONAL INCPriority: Nov 13, 1989Filed: Nov 13, 1989Granted: Oct 12, 1993
Est. expiryNov 13, 2009(expired)· nominal 20-yr term from priority
Inventors:John D. Taylor
70
PatentIndex Score
13
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an alarm for signaling unauthorized door exit and entry, as shown.

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