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. 06, 1999
Filed:
Jun. 11, 1997
John W Powers, Battlefield, MO (US);
Daniel G Choate, Everton, MO (US);
Ronald L Raby, Rogersville, MO (US);
Western Litho Plate & Supply Co., St. Louis, MO (US);
Abstract
Apparatus for subjecting photosensitive letterpress lithographic plates to a pre-exposure operation and then to a main exposure operation. The apparatus includes a support for supporting a letterpress plate at a pre-exposure station, a pre-exposure system for pre-exposing a plate on the support, an infeed conveyor system for conveying a pre-exposed plate from the pre-exposure station to a main exposure station, a main exposure system at the main exposure station for exposing a pre-exposed plate, and an outfeed conveyor system for conveying a plate away from the main exposure station.