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:
Jun. 17, 1986
Filed:
Oct. 05, 1984
Applicant:
Inventor:
Robert C Hagemeister, Boston, MA (US);
Assignee:
Webster Spring Co. Inc., Oxford, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47C / ;
U.S. Cl.
CPC ...
267103 ; 5255 ;
Abstract
A spring assembly wherein there are a plurality of spring members disposed in transversely and longitudinally-spaced relation between a rectangular base frame and a rectangular grid frame and secured thereto and wherein certain of the springs are positioned at the corners and so configured that pressure brought to bear on the grid frame bends the spring units outwardly relative to the corners to impart tension to the border wire.