Patent · US Expired

Method and apparatus for correcting printing plates

US4150623A · kind A · utility

5Cited by
19References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 7, 1977
Grant dateApr 24, 1979
Priority date
Expiry dateFeb 7, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41N3/00
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A method and apparatus for adding ink receptive areas to or removing ink receptive areas from printing plates in which a consumable stylus, such as a graphite pencil "lead," or a non-consumable stylus, such as a copper wire, is brought into contact with the printing plate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.