USD311400SExpiredUtility

Communication quad rack unit

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Assignee: NORAND CORPPriority: Apr 22, 1987Filed: Apr 22, 1987Granted: Oct 16, 1990
Est. expiryApr 22, 2007(expired)· nominal 20-yr term from priority
Inventors:Arvin D. DanielsonRobert G. GeersCalvin GreenfieldJohn G. PavekRobert J. Traeger
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PatentIndex Score
0
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a communication quad rack unit, as shown and described.

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