USD259466SExpiredUtility

Insulation injection hole plug

53
Assignee: DOONAN R DEANPriority: Jul 28, 1978Filed: Jul 28, 1978Granted: Jun 9, 1981
Est. expiryJul 28, 1998(expired)· nominal 20-yr term from priority
Inventors:R. Dean Doonan
53
PatentIndex Score
6
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an insulation injection hole plug, substantially as shown and described.

Join the waitlist — get patent alerts

Track USD259466S — get alerts on status changes and closely related new filings.

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