Patent · US Expired

Conditioning block for sharpening stones

US4904280A · kind A · utility

13Cited by
13References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 1988
Grant dateFeb 27, 1990
Priority date
Expiry dateJul 18, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24D3/28
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A product and process for reconditioning abrasive stones used to sharpen metal tools such as woodworking tools. The product is a slab made up of abrasive grain bond with an organic polymer.

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