USD429371SExpiredUtility

Portable heater

Assignee: HAKKIN WARMERS CO LTDPriority: Feb 2, 1999Filed: May 3, 1999Granted: Aug 8, 2000

Est. expiryFeb 2, 2019(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for a portable heater, as shown and described.

Join the waitlist — get patent alerts

Track USD429371S — get alerts on status changes and closely related new filings.

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