1971790

Information

• Patent Grant
• 1971790

• References
• Source

• Patent Number

  1,971,790

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1934
  90 years ago

• CPC

  • B23Q1/0036 - one of those parts being a tool
  • B24B23/028 - Angle tools
  • B24B55/02 - Equipment for cooling the grinding surfaces
  • Y10S29/068 - Hollow spindle contains
  • Y10S29/088 - by projecting, squirting or dripping
  • Y10S29/09 - Elevated tank supply
  • Y10T279/17931 - Screw threaded

• US Classifications

  • 451 - Abrading
  • 015 - Brushing, scrubbing, and general cleaning
  • 029 - Metal working
  • 279 - Chucks or sockets