USD315566SExpiredUtility

Telephone circuit connecting device

50
Assignee: PORTA SYSTEMS CORPPriority: Jan 15, 1988Filed: Jan 15, 1988Granted: Mar 19, 1991
Est. expiryJan 15, 2008(expired)· nominal 20-yr term from priority
Inventors:Paul V. De LucaHelmuth Neuwirth
50
PatentIndex Score
5
Cited by
16
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a telephone circuit connecting device, as shown.

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.