Patent · US Expired

Multi-purpose hand tool

US5255575A · kind A · utility

28Cited by
8References
5Claims
0Family size

Inventor

Key dates

Filing dateJun 29, 1992
Grant dateOct 26, 1993
Priority date
Expiry dateJun 29, 2012

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25D2250/105
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A hammer with interchangeable head and tail tool pieces where the head and tail pieces are inserted into tool voids in opposite ends of the hammer body and further having a removal pin for insertion into additional voids in the hammer body for urging the head and tail pieces out of the tool voids.

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