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:
Jul. 07, 1987
Filed:
Oct. 07, 1985
Applicant:
Inventors:
John F Finger, Beresford, SD (US);
Glen A Lawrenson, Beresford, SD (US);
Assignee:
Sioux Steam Cleaner Corporation, Beresford, SD (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ; F24H / ;
U.S. Cl.
CPC ...
219272 ; 219332 ; 122504 ;
Abstract
A safety control circuit for an electric combination cleaner includes an on-delay relay (18) operatively coupled with the motor start relay (16) together with an off-delay relay (40) operatively coupled with the start switch (30) and the pump motor relay to provide automatic predetermined time delays upon start-up and shutdown to avoid overheating and thus damage to the equipment.
Finger, John. (1987). Combination cleaner safety circuit (U.S. Patent No. 4678892). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4678892
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile