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:
Nov. 29, 1983
Filed:
Feb. 08, 1982
Applicant:
Inventor:
David C Lin, Newark, OH (US);
Assignee:
Owens-Corning Fiberglas Corporation, Toledo, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428139 ; 156 78 ; 428285 ; 428286 ; 4283044 ; 4283066 ; 4283166 ;
Abstract
A composite panel including a fibrous glass board and foamed-in-place plastic foam has a perforated sheet at the foam-fiberglass interface, there being at least two holes per square inch in the perforated sheet, the diameter of the holes being less than 0.06 of an inch, and the amount of open area represented by the holes being less than 1.5 percent of the total area of the sheet.