2156453

Information

• Patent Grant
• 2156453

• References
• Source

• Patent Number

  2,156,453

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1939
  85 years ago

• CPC

  • B24B27/0069 - with means for feeding the work-pieces to the grinding tool
  • B24B19/002 - for knife blades
  • Y10T409/3056 - and means to selectively position work

• US Classifications

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