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:
Feb. 12, 1980
Filed:
Oct. 11, 1977
Applicant:
Inventor:
Ernest W Reinwall, Jr, McHenry, IL (US);
Assignee:
Illinois Tool Works Inc., Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
52489 ; 403406 ;
Abstract
A clamp for securing a wall panel to a structural support member. A cantilevered spring arm extends from and is spaced upwardly from an attachment base and includes a rib structure of decreasing height from the base to the free extremity formed on the arm to provide an increasing, variable spring rate.