USD400971SExpiredUtility
Gas-fired water heater
Est. expiryNov 12, 2016(expired)· nominal 20-yr term from priority
79
PatentIndex Score
24
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedWe claim the ornamental design for a gas-fired water heater, as shown and described.
Join the waitlist — get patent alerts
Track USD400971S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.