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:
Nov. 08, 1977
Filed:
Oct. 14, 1975
Applicant:
Inventors:
Robert H Perry, Canonsburg, PA (US);
Miller, Howard N, McMurray, PA (US);
Assignee:
Westinghouse Electric Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P / ; B60L / ;
U.S. Cl.
CPC ...
318376 ; 191-2 ; 191-4 ; 246 61 ;
Abstract
Control apparatus for determining the power regenerating operation of a train vehicle is disclosed in relation to the provision of a control signal in conjunction with the operation of the power supply rail of the train vehicle track, such that power regenerating operation of the train vehicle is prevented unless such operation is desired as indicated by the presence of that control signal.
Perry, Robert. (1977). Train vehicle control apparatus (U.S. Patent No. 4057753). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4057753
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile