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:
Jan. 27, 1976
Filed:
Feb. 15, 1974
Applicant:
Inventors:
Nathaniel Convers Wyeth, Mendenhall, PA (US);
Frank William Arnoth, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours & Co., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428166 ; 156245 ; 156285 ; 264 89 ; 264 92 ; 264 94 ; 264248 ; 264296 ; 4253 / ; 425388 ; 425503 ; 425504 ; 428167 ;
Abstract
The invention provides a process for preparing a hollow, rib-reinforced, laminated article by: