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. 19, 1978
Filed:
Dec. 21, 1977
Applicant:
Inventor:
Hamlin Andrus Pakradooni, Webster, MA (US);
Assignee:
Webster Spring Co. Inc., Oxford, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
F16F / ;
U.S. Cl.
CPC ...
267 97 ; 5260 ;
Abstract
A spring assembly embodying along the front edge a row of coil springs, each of which has end loops and intermediate the end loops a series of turns which diminish in diameter from the top to the bottom, the loop at the top being inclined to the axis of the coils and providing in conjunction with an upwardly bent portion of the border wire at the top of the assembly a supporting barrier at the front edge of the assembly such as to retain a cushion in place under conditions tending to slide the cushion forwardly.
Pakradooni, Hamlin. (1978). Coil spring assembly (U.S. Patent No. 4114867). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4114867
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile