USD274353SExpiredUtility

Heat exchange unit

91
Assignee: CARRIER CORPPriority: Mar 3, 1981Filed: Mar 3, 1981Granted: Jun 19, 1984
Est. expiryMar 3, 2001(expired)· nominal 20-yr term from priority
Inventors:Walter W. HoyleMichael E. SmorolRudy E. HaasRaymond D. O'MaraJoseph A. Ciarlei
91
PatentIndex Score
33
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a heat exchange unit, as shown and described.

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