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. 03, 1976
Filed:
Dec. 03, 1973
Applicant:
Inventors:
Charles Joseph Trojahn, Middle Village, NY (US);
Nikolaus Friedrich, Maspeth, NY (US);
Assignees:
Primary Examiner:
Int. Cl.
CPC ...
E04C / ; E04B / ; B23K / ;
U.S. Cl.
CPC ...
52622 ; 52488 ; 105401 ; 52745 ; 228203 ; 228101 ; 228216 ;
Abstract
An impervious wall structure including at least two panels welded along adjoining vertical edges. Stress relief structure is on the panels to facilitate welding of the panels without undesirable deformation thereof. Finally, support structure is provided to assist in reinforcing the panels thereby providing a continuous impervious wall structure adaptable for use over large areas.