Patent · US Expired

Duplicating stencil

US4515077A · kind A · utility

11Cited by
12References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 19, 1983
Grant dateMay 7, 1985
Priority date
Expiry dateJul 19, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S101/36
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A duplicating stencil has its heading strip in the form of two separate regions separated by a perforation line. The holes on one region have a different arrangement from those on the other regions, so that tearing along the perforation line allows one region to be separated from the rest of the stencil and to leave the holes of the remaining region as the effective mounting holes. A single image field and a single top edge guide line apply for all of the heading strip regions.

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