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:
Sep. 12, 1978
Filed:
Jul. 18, 1977
Applicant:
Inventors:
Masaaki Harada, Ebina, JP;
Tsuguto Fujita, Ebina, JP;
Assignee:
Rank Xerox, Ltd., London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
355 71 ; 355 70 ;
Abstract
Illumination apparatus for electronic copying machines comprising a casing 1 having an elongated opening 5 extending in a longitudinal direction thereof wherein light sources 6 and 6' are disposed respectively at both ends of said casing 1, the inner surface of said casing 1 being formed as a diffusing reflection surface and a light screening plate 7 being provided so as to prevent direct emission of light through said opening 5 from said light sources 6 and 6'.
Harada, Masaaki. (1978). Illumination apparatus for electronic copying machines (U.S. Patent No. 4113379). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4113379
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile