USD261628SExpiredUtility
Alarm system control unit
Individually held — no corporate assignee on recordPriority: Aug 16, 1978Filed: Aug 16, 1978Granted: Nov 3, 1981
Est. expiryAug 16, 1998(expired)· nominal 20-yr term from priority
Inventors:Daniel D. Schaeffer
48
PatentIndex Score
5
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an alarm system control unit, substantially as shown.
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