USD307245SExpiredUtility

Intrusion detector unit

73
Assignee: C & K SYSTEMS INCPriority: Jul 29, 1987Filed: Jul 29, 1987Granted: Apr 17, 1990
Est. expiryJul 29, 2007(expired)· nominal 20-yr term from priority
Inventors:Jack Biersdorff
73
PatentIndex Score
18
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for intrusion detector unit, as shown and described.

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