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. 25, 1986
Filed:
Jul. 18, 1984
Applicant:
Inventor:
Robert C Hagemeister, Boston, MA (US);
Assignee:
Webster Spring Co. Inc., Oxford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C / ;
U.S. Cl.
CPC ...
267103 ; 5247 ; 5255 ;
Abstract
A spring assembly comprising a base frame and a grid frame held in spaced, parallel relation by transversely and longitudinally-spaced spring units, some of which are bent wire spring units and others of which are coil spring units, each bent wire spring unit being yieldable in bending and torsion to pressure applied to their upper ends, and symmetrical with respect to its vertical axes.