The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 1987
Filed:
Feb. 10, 1986
Applicant:
Inventor:
Douglas R Hart, Toronto, Ontario, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
236 94 ; 165 111 ;
Abstract
A diagnostic thermostat for a building includes an indoor temperature sensor, an outdoor temperature sensor, and a standard arrangement for cycling a furnace on and off in response to the level of the indoor temperature. A time clock is included and the desired indoor temperature can be set. A microprocessor determines, on the basis of various signals, the heating performance of the building over a given period of time, and this heating performance can be displayed.
Hart, Douglas. (1987). Diagnostic thermostat (U.S. Patent No. 4685615). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4685615
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile