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:
Aug. 02, 1988
Filed:
Apr. 15, 1987
Applicant:
Inventors:
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 ...
5246 ; 5247 ; 5254 ; 5255 ; 5260 ; 267 95 ; 267103 ;
Abstract
A box spring assembly includes a base frame, a top wire grid and a plurality of sinuous wire springs interconnecting the top wire grid and the base frame. The sinuous wire springs each comprise 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 and the free ends at the top of the U-shaped spring attached to the base frame.