USD262820SExpiredUtility

Heat exchanger

43
Assignee: FLEMING FABRICATIONS LTDPriority: Jun 11, 1979Filed: Jun 11, 1979Granted: Jan 26, 1982
Est. expiryJun 11, 1999(expired)· nominal 20-yr term from priority
Inventors:Thomas R. Carruthers
43
PatentIndex Score
4
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a heat exchanger, substantially as shown.

Join the waitlist — get patent alerts

Track USD262820S — get alerts on status changes and closely related new filings.

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