2382940

Information

• Patent Grant
• 2382940

• References
• Source

• Patent Number

  2,382,940

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1945
  79 years ago

• CPC

  • B24B9/165 - for grinding cavities in gem stones
  • G04D3/0002 - for mechanical working other than with a lathe
  • G04D3/0058 - for bearing jewels
  • Y10T279/3481 - Tool or workpiece ejector

• US Classifications

  • 451 - Abrading
  • 125 - Stone working
  • 192 - Clutches and power-stop control
  • 279 - Chucks or sockets
  • 318 - Electricity: motive power systems
  • 968 - Horology