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. 02, 1979
Filed:
May. 15, 1978
Applicant:
Inventor:
George Stearns, Florissant, MO (US);
Assignee:
Wagner Electric Corporation, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303-7 ; 303 / ; 303-9 ;
Abstract
Separate inputs for air pressure supply and parking brake control are provided to a parking brake control valve for a towed vehicle to enable manual release of the parking brakes using air pressure stored in either one of two mutually protected reservoirs on the towed vehicle without bleeding one source of stored air pressure into another.