USD257893SExpiredUtility
Flush mounted passive domestic solar water heater module
Individually held — no corporate assignee on recordPriority: Dec 5, 1978Filed: Dec 5, 1978Granted: Jan 13, 1981
Est. expiryDec 5, 1998(expired)· nominal 20-yr term from priority
Inventors:Gary A. Millhollen
47
PatentIndex Score
8
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a flush mounted passive domestic solar water heater module, as shown and described.
Join the waitlist — get patent alerts
Track USD257893S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.