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. 04, 1989
Filed:
Oct. 21, 1986
Applicant:
Inventors:
Derek L Hand, Solihull, GB;
Christopher W Hall, Redditch, GB;
Assignee:
Pilkington Brothers P.L.C., St. Helens, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E06B / ;
U.S. Cl.
CPC ...
52171 ; 52759 ; 219203 ; 219522 ; 428192 ; 428412 ; 4284256 ;
Abstract
A lightweight impact-resistant window panel, for example for adhesive glazing to the airframe of an unpressurized aircraft, has outer and inner glass plies which are laminated with an intermediate impact-resistant plastics ply. An inner ply of impact-resistant plastics is bonded to the rearward face of the inner glass ply. The aggregate thickness of the impact-resistant plies is in the range from about 1 mm to about 7.5 mm.