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, 2004
Filed:
Jul. 11, 2003
Applicant:
Inventors:
Kurt P. Rindoks, Davidson, NC (US);
Rudolph Poblete, Statesville, NC (US);
Assignee:
Kewaunee Scientific Corporation, Statesville, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
B08B 1/502 ;
U.S. Cl.
CPC ...
B08B 1/502 ;
Abstract
A counterweight apparatus is provided for automatically self-returning an enclosure sash or other closure member to at least one preselected intermediate position when released after being opened beyond that intermediate position and for selectively maintaining the closure member in at-rest positions, when released, between that intermediate position and a fully closed position.