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. 24, 1993
Filed:
Feb. 18, 1992
Applicant:
Inventors:
Richard A Williams, Hampstead, NH (US);
Thomas E Lewis, E. Hampstead, NH (US);
John F Kline, Londonderry, NH (US);
John P Gardiner, Londonderry, NH (US);
Assignee:
Presstek, Inc., Hudson, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41C / ; B41C / ; B41N / ;
U.S. Cl.
CPC ...
101467 ; 101453 ; 101458 ;
Abstract
Apparatus and method for imaging a lithographic plate having an oleophobic first layer, a metal second layer and an oleophilic third layer. The first and second layers are removed in an imagewise pattern to reveal the third layer, resulting in direct production of image spots. The plate is ready for printing at the conclusion of the imaging process.