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:
May. 31, 1983
Filed:
Jun. 03, 1980
Applicant:
Inventor:
John M Todd, Tarzana, CA (US);
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340 59 ; 73308 ; 200 612 ; 200 / ; 340624 ;
Abstract
A sensor for detection of the presence of a predetermined level of fluid in an enclosed reservoir, e.g., oil in an engine crankcase or transmission fluid reservoir, and a system for providing a remote indication of the detection of the existence of the predetermined level. The apparatus includes an electrically conductive float disposed within an encapsulator and movable responsive to the liquid level to provide an indication thereof.