USD504714SExpiredUtility
Expansion valve
Est. expiryMay 30, 2023(expired)· nominal 20-yr term from priority
70
PatentIndex Score
15
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for an expansion valve, as shown.
Join the waitlist — get patent alerts
Track USD504714S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.