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:
Oct. 23, 1990
Filed:
Mar. 08, 1988
James Brodecki, Darien, IL (US);
William Tanguay, Downers Grove, IL (US);
Dale Fiene, Addison, IL (US);
Seatt Corporation, Downers Grove, IL (US);
Abstract
Disclosed is an improved combustion products smoke alarm that includes an electronic circuit which automatically tests the detector's operation repetitively at periodic intervals, or periodically sounds the detector's alarm to remind the occupant to manually test the detector's operation. In the preferred embodiment, this periodic testing or reminding occurs at weekly intervals. Thus, occupants living about such a smoke alarm, after experiencing this repetitive sounding of the detector's alarm for some time, will come to anticipate its sounding and notice its absence if the smoke alarm becomes inoperative.