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:
Jun. 27, 1989
Filed:
Dec. 29, 1987
Applicant:
Inventor:
Didier Ducassou, Palaiseau, FR;
Assignee:
Societe de Fabrication D'Instruments de Mesure (S.F.I.M.), Massy Cedex, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; B32B / ;
U.S. Cl.
CPC ...
350641 ; 428105 ; 428117 ; 4289122 ;
Abstract
The mirror comprises a cellular structure core having a stack of plies each constituted by fiber-containing polymerized resin fixed on at least one face thereof, with a reflecting surface being made on the stack, and with the fibers in each ply extending in one direction only. The invention enables ultralight-weight mirrors to be made having excellent mechanical properties.