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:
Oct. 06, 1981
Filed:
Nov. 23, 1979
Applicant:
Inventors:
Roy F Huffey, Manningtree, GB;
John A Pope, Colchester, GB;
Assignee:
Bexford Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; G03C / ;
U.S. Cl.
CPC ...
430152 ; 430395 ; 430396 ;
Abstract
Reflex copying of original materials, normally having an opaque background, onto light-sensitive vesicular imaging materials wherein exposure to light is effected through a screen which transmits the incident light in separate bundles of light rays.