1665372

Information

• Patent Grant
• 1665372

• References
• Source

• Patent Number

  1,665,372

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1928
  96 years ago

• CPC

  • B44B3/001 - by copying
  • Y10T409/500164 - with regulation of operation by templet, card, or other replaceable information supply
  • Y10T409/500656 - including provision for circumferential relative movement of cutter and work

• US Classifications

  • 409 - Gear cutting, milling, or planing