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:
Jan. 26, 1982
Filed:
Aug. 17, 1979
Applicant:
Inventors:
Thomas G Schrag, Newton, KS (US);
Amos G Hill, Hesston, KS (US);
Howard R Lohrentz, Hesston, KS (US);
Assignee:
Hesston Corporation, Hesston, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05G / ;
U.S. Cl.
CPC ...
74529 ; 74532 ;
Abstract
Actuation of a valve is prevented under certain circumstances wherein an axially reciprocable stem connected to the valve has shoulders thereon, which shoulders are selectively engageable by shiftable blocking bars.