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:
Apr. 11, 1978
Filed:
May. 21, 1976
Applicant:
Inventors:
John S Hickman, Milwaukee, WI (US);
Andrew Paul Jensen, Madison, WI (US);
Assignee:
Capital Steel & Supply Co., division of Jensen Investment Corporation, Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01F / ; E05F / ;
U.S. Cl.
CPC ...
49147 ; 49360 ; 49404 ; 52 64 ; 52207 ;
Abstract
A wall system suitable for use in the ventilating of buildings which incls a vertically adjustable, drop vent, upper wall section subwall which is offset from and adapted to be raised or lowered relative to a stationary lower subwall by means of a winch and pulley arrangement.