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:
Apr. 03, 1984
Filed:
Dec. 28, 1981
Applicant:
Inventor:
William S Butler, Burleson, TX (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
188315 ; 188318 ; 267 6423 ; 1375137 ; 1375395 ;
Abstract
A shock absorber comprising a cylinder, cylinder head having a relief check valve therein including an annular valve spool, relief valve ball, spring support, valve spring and valve cap, piston, piston head, outer case, foot valve body, dust cover, piston bellows and pivot bushing assemblies.