Patent · US Expired

Conversion plug

US4222191A · kind A · utility

37Cited by
10References
5Claims
0Family size

Inventors

Key dates

Filing dateAug 30, 1978
Grant dateSep 16, 1980
Priority date
Expiry dateAug 30, 1998

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF41C9/08
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Conversion plug having the general shape of a shotgun shell, having a large counterbore formed in the end adjacent the hammer and having a small threaded counterbore to receive a nipple adapted to receive a percussion firing element.

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