640948

Information

• Patent Grant
• 640948

• References
• Source

• Patent Number

  640,948

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1900
  125 years ago

• CPC

  • B28D1/20 - by planing
  • Y10T409/500164 - with regulation of operation by templet, card, or other replaceable information supply
  • Y10T409/505904 - with screw-driven bed
  • Y10T409/508528 - Plural independently positioned cutters

• US Classifications

  • 125 - Stone working
  • 409 - Gear cutting, milling, or planing