USD276933SExpiredUtility

Heat exchanger

43
Assignee: THE TRANE COMPANYPriority: Apr 14, 1982Filed: Apr 14, 1982Granted: Dec 25, 1984
Est. expiryApr 14, 2002(expired)· nominal 20-yr term from priority
Inventors:Donald C. WelchChristopher P. Yoerg
43
PatentIndex Score
5
Cited by
4
References
1
Claims

Claims

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

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