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. 09, 1999
Filed:
Nov. 12, 1997
Applicant:
Inventors:
John E Hartman, Painesville, OH (US);
Paul M Dadd, Mentor, OH (US);
John T Venaleck, Painesville, OH (US);
Assignee:
Ohio Associated Enterprises, Inc., Painesville, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B63H / ;
U.S. Cl.
CPC ...
440 61 ; 440 65 ;
Abstract
It is an object of the current invention to provide a trim cylinder that is cost effective; it is further an object of the invention to provide a cylinder that has few parts, less than one-third the number of parts of present art; it is further an object of the invention to provide a unique and simple check valve for operation as a shock absorber and further to provide passages integral of the extruded or molded body allowing plumbing to be attached at one end only of the cylinder; also to eliminate the plastic shroud which normally covers unsightly plumbing.