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. 24, 1989
Filed:
Jun. 11, 1987
Applicant:
Inventors:
Tatsuya Kakuta, Kanagawa, JP;
Nobuhiro Akasaka, Kanagawa, JP;
Assignee:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350 9634 ; 350 9630 ;
Abstract
A resin composite formed by uniting a resin having a negative coefficient of linear expansion and another resin having a positive coefficient of linear expansion into one body, thereby to reduce the influence of distortion with change of temperature on other compositions in the vicinity of the resin composite.