1347243

Information

• Patent Grant
• 1347243

• References
• Source

• Patent Number

  1,347,243

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1920
  104 years ago

• CPC

  • B24B15/08 - for grinding co-operating seat surfaces by moving one over the other
  • Y10T16/645 - Rack and pinion
  • Y10T74/1967 - Rack and pinion

• US Classifications

  • 074 - Machine element or mechanism
  • 016 - Miscellaneous hardware
  • 451 - Abrading