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:
Mar. 20, 2012
Filed:
Mar. 24, 2009
Applicant:
Dave B. Lundahl, Fort Collins, CO (US);
Inventor:
Dave B. Lundahl, Fort Collins, CO (US);
Assignee:
Inovadeas, LLLP, Fort Collins, CO (US);
Primary Examiner:
Int. Cl.
CPC ...
E05F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a pivotable, multi-coil spring counterbalance, and method for using the same, which allows the user to readily attach a desired number of coil springs having chosen forces to a counterbalance connector attached to a vertically movable member, thereby providing an offset for at least a portion of the weight thereof.