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:
Jun. 24, 1980
Filed:
Jan. 18, 1978
Applicant:
Inventor:
William E Mitchell, Coventry, GB;
Assignee:
Dunlop Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60C / ;
U.S. Cl.
CPC ...
340 58 ; 731465 ; 200 6125 ; 200 / ;
Abstract
Tire deflation warning apparatus comprising a tubular housing having a sliding piston, a port in the housing for connection to the inflation chamber of the tire whereby the pressure of air in the tire at normal operating pressure can urge the piston to move relatively to the housing, biasing means associated with the piston in opposition to the air, and magnetic means operated by movement of the piston to actuate a warning switch.