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:
Aug. 11, 1981
Filed:
Jan. 19, 1979
Applicant:
Inventors:
Michael J Fairhead, London, GB;
Nicholas R Jung, London, GB;
Assignee:
Letraset USA, Inc., Paramus, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430306 ; 430300 ; 430307 ;
Abstract
Relief printing plates are described in which the raised printing areas are concave or dished. This gives, on printing, a more even ink distribution over the image area. Photographic methods for producing such plates are described.