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. 10, 1997
Filed:
Oct. 04, 1995
Applicant:
Inventors:
Joe C Workman, Carthage, MO (US);
Steven E Ogle, Carthage, MO (US);
Thomas J Wells, Carthage, MO (US);
Assignee:
L&P Property Management Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A47C / ; A47C / ;
U.S. Cl.
CPC ...
5717 ; 5260 ;
Abstract
An inner spring core comprising a plurality of coil springs arranged in rows and columns having an improved border firmness adjuster around the periphery of the core. The improved border firmness adjuster comprises one of more inflatable pneumatic members positioned inwardly of the outer edges of the outermost coil springs in a space between two adjacent convolutions of each of the outermost coil springs. The pneumatic member or members is capable of variably adjusting the firmness of at least one edge of the mattress.