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. 27, 1993
Filed:
Jan. 27, 1992
Applicant:
Inventors:
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
385143 ; 385142 ; 385141 ; 385102 ; 385128 ;
Abstract
A flame retardant plastic optical fiber cord comprising a plastic optical fiber comprising a core and a cladding, and a jacket layer provided on the optical fiber, wherein the jacket layer has an oxygen index of not less than 25 as measured by the method stated in JAPANESE INDUSTRIAL STANDARD K 7201.