USD257959SExpiredUtility

Wall thermostat

56
Assignee: TEXAS INSTRUMENTS INCPriority: Jan 15, 1979Filed: Jan 15, 1979Granted: Jan 20, 1981
Est. expiryJan 15, 1999(expired)· nominal 20-yr term from priority
Inventors:Arthur W. ChinRobert M. DrobeckOrville W. Larson
56
PatentIndex Score
6
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a wall thermostat, substantially as shown and described.

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