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:
Sep. 05, 1989
Filed:
Jan. 15, 1988
Applicant:
Inventors:
Thomas J Wells, Carthage, MO (US);
Angelo Serafini, East Boston, MA (US);
Sidney A Hiatt, Carthage, MO (US);
Henry Zapletal, Carthage, MO (US);
Assignee:
Leggett & Platt, Incorporated, Carthage, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C / ;
U.S. Cl.
CPC ...
5247 ; 5255 ; 5267 ; 5277 ;
Abstract
A box spring assembly includes a base frame, a top wire grid and a plurality of sinous wire springs interconnecting the top wire grid and the base frame. The sinuous wire springs each comprises a sinuous wire strip formed into an inverted U-shaped configuration with the closed end of each U-shaped spring attached to the top wire grid by a snap-fit connection and the free ends at the bottom of the U-shaped spring being attached to the base frame.