USD280721SExpiredUtility

Plug-mounted background noise amplifier enclosure

35
Individually held — no corporate assignee on recordPriority: Nov 19, 1982Filed: Nov 19, 1982Granted: Sep 24, 1985
Est. expiryNov 19, 2002(expired)· nominal 20-yr term from priority
Inventors:William D. QuigleyPhilip H. Nelson
35
PatentIndex Score
2
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for plug-mounted background noise amplifier enclosure, as shown and described.

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