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:
Dec. 23, 2008
Filed:
Jan. 21, 2005
Applicants:
Walter Bohm, Feucht, DE;
Helmut Kastner, Neukirchen, DE;
Holger Knaust, Kummersbruck, DE;
Gerhard Wunderling, Pegnitz, DE;
Inventors:
Walter Bohm, Feucht, DE;
Helmut Kastner, Neukirchen, DE;
Holger Knaust, Kummersbruck, DE;
Gerhard Wunderling, Pegnitz, DE;
Assignee:
Stable II S.a.r.l, Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16M 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An adjustable-height chair column comprises an upright tube and a gas spring that is disposed coaxially in the upright tube. The gas spring comprises a valve for actuation of the gas spring. This valve is embodied for opening upon relief of the casing of the gas spring in relation to the upright tube.