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:
Mar. 08, 1977
Filed:
Dec. 19, 1974
Applicant:
Inventors:
Emmanuel Lambert, Jumet, BE;
Lucien Leger, Montigny-le-Tilleul, BE;
Assignee:
Glaverbel-Mecaniver S.A., Watermael-Boitsfort, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B / ; E04B / ; B32B / ;
U.S. Cl.
CPC ...
428 34 ; 52616 ; 181 / ; 428213 ; 428437 ; 428442 ;
Abstract
A laminated glazing pane comprised of at least two sheets of vitreous material joined together by an intervening layer of plastic material given improved sound attenuation properties by constructing the pane in such a manner that its base frequency (f) is between 0.70 and 0.97 times its theoretical base frequency (f.sub.0).
Lambert, Emmanuel. (1977). Laminated glazing pane (U.S. Patent No. 4011356). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4011356
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile