USD334086SExpiredUtility

Air stone

33
Assignee: VENY PLASTIC CO LTDPriority: Nov 20, 1990Filed: Apr 24, 1991Granted: Mar 16, 1993
Est. expiryNov 20, 2010(expired)· nominal 20-yr term from priority
Inventors:Tony Tsz-Cheong Ng
33
PatentIndex Score
2
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
The design for a air stone, as shown and described.

Join the waitlist — get patent alerts

Track USD334086S — get alerts on status changes and closely related new filings.

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