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. 28, 1986
Filed:
Sep. 19, 1983
Applicant:
Inventor:
Charles T Bomgardner, Burleson, TX (US);
Assignee:
Halliburton Company, Duncan, OK (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16J / ;
U.S. Cl.
CPC ...
277 58 ; 277152 ;
Abstract
Improved piston shaft seals for end-of-car hydraulic cushioning devices. Comprising an improved combination of annular oil scraper seals, and improved annular reinforced oil scraper seal, for use in an end-of-car hydraulic cushioning device.