USD331584SExpiredUtility
Air cylinder
Est. expiryAug 30, 2009(expired)· nominal 20-yr term from priority
Inventors:Akira Aizawa
52
PatentIndex Score
7
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an air cylinder, as shown.
Join the waitlist — get patent alerts
Track USD331584S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.