USD310206SExpiredUtility

Telephone circuit protector block

34
Assignee: PORTA SYSTEMS CORPPriority: Mar 2, 1987Filed: Mar 2, 1987Granted: Aug 28, 1990
Est. expiryMar 2, 2007(expired)· nominal 20-yr term from priority
Inventors:Helmuth Neuwirth
34
PatentIndex Score
1
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a telephone circuit protector block, as shown and described.

Join the waitlist — get patent alerts

Track USD310206S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.