USD332987SExpiredUtility

Ultrasonic cockroach repellent

60
Assignee: DER-JINN JANPriority: Oct 26, 1990Filed: Oct 26, 1990Granted: Feb 2, 1993
Est. expiryOct 26, 2010(expired)· nominal 20-yr term from priority
Inventors:Jan Der-Jinn
60
PatentIndex Score
14
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an ultrasonic cockroach repellent, as shown and described.

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