USD457228SExpiredUtility

Heating device

Assignee: HEDSON TECHNOLOGIES ABPriority: Aug 30, 1996Filed: Sep 10, 1999Granted: May 14, 2002
Est. expiryAug 30, 2016(expired)· nominal 20-yr term from priority
Inventors:Kenneth Lundin
36
PatentIndex Score
3
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a heating device, as shown.

Join the waitlist — get patent alerts

Track USD457228S — get alerts on status changes and closely related new filings.

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