USD276333SExpiredUtility

Telephone transfer relay unit

32
Assignee: PORTA SYSTEMS CORPPriority: Jul 12, 1982Filed: Jul 12, 1982Granted: Nov 13, 1984
Est. expiryJul 12, 2002(expired)· nominal 20-yr term from priority
Inventors:Carmine Cupani
32
PatentIndex Score
1
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a telephone transfer relay unit, as shown and described.

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