USD271845SExpiredUtility

Door closer

57
Assignee: RYOBI LTDPriority: Nov 4, 1980Filed: Apr 24, 1981Granted: Dec 20, 1983
Est. expiryNov 4, 2000(expired)· nominal 20-yr term from priority
Inventors:Yoshihiko MatsuoTakeshi Shohoji
57
PatentIndex Score
6
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a door closer, as shown.

Join the waitlist — get patent alerts

Track USD271845S — get alerts on status changes and closely related new filings.

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