1373587

Information

• Patent Grant
• 1373587

• References
• Source

• Patent Number

  1,373,587

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1921
  103 years ago

• CPC

  • B24B3/085 - using a template
  • Y10T409/30084 - with regulation of operation by templet, card, or other replaceable information supply
  • Y10T409/306216 - Randomly manipulated, work supported, or work following device

• US Classifications

  • 451 - Abrading
  • 409 - Gear cutting, milling, or planing