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. 15, 1997
Filed:
Jul. 28, 1995
Applicant:
Inventors:
Hans-Jurgen Bauer, Altdorf, DE;
Walter Bohm, Feucht, DE;
Assignee:
Suspa Compart Aktiengesellschaft, Altdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C / ; F16F / ; C23C / ;
U.S. Cl.
CPC ...
18832219 ; 248631 ;
Abstract
A longitudinally adjustable gas spring for adjustable-height chairs, tables or the like has an external cylinder, in which a piston is guided for displacement, to which a piston rod is secured, which is guided out of the exterior cylinder. The exterior cylinder has a thin hard external nitrided layer and a considerably softer core layer enclosing the inside wall of the exterior cylinder.
Bauer, Hans-Jurgen. (1997). Longitudinally adjustable gas spring with dual layered cylinder (U.S. Patent No. 5620067). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5620067
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile