1770458

Information

• Patent Grant
• 1770458

• References
• Source

• Patent Number

  1,770,458

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1930
  94 years ago

• CPC

  • B44B3/061 - Tool heads
  • B44B3/001 - by copying
  • B44B3/006 - carving or engraving devices having several cutting tools
  • B44B2700/021 - by copying
  • Y10T409/302464 - including plural cutters
  • Y10T409/302632 - with provision for circumferential relative movement of cutter and work

• US Classifications

  • 409 - Gear cutting, milling, or planing