USD291974SExpiredUtility

Automatic thermostat control

46
Assignee: PITTWAY CORPPriority: Dec 31, 1986Filed: Dec 31, 1986Granted: Sep 22, 1987
Est. expiryDec 31, 2006(expired)· nominal 20-yr term from priority
Inventors:Kenneth R. Fenne
46
PatentIndex Score
4
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an automatic thermostat control, as shown and described.

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