Patent · US Expired

Die-set combination for making pin-back badges

US4299019A · kind A · utility

6Cited by
4References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 26, 1979
Grant dateNov 10, 1981
Priority date
Expiry dateMar 26, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/53726
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The present invention concerns a combination of mutually interfitting die and press-block elements adapted for manual use and operation with each other to produce a finished and permanent assembly of the separate components of a pin-back button or badge.

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