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:
Sep. 12, 1978
Filed:
Dec. 03, 1976
Applicant:
Inventor:
Donald Louis Bianchetta, Coal City, IL (US);
Assignee:
Caterpillar Tractor Co., Peoria, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B / ;
U.S. Cl.
CPC ...
91-6 ; 60486 ; 91414 ;
Abstract
A fluid system has at least first and second circuits each having a plurality of work elements connected in interruptible series. Control elements are provided for selectively, automatically passing fluid from one circuit to preselected positions in the other circuit in response to operation of preselected work elements.