3257907

Information

• Patent Grant
• 3257907

• References
• Source

• Patent Number

  3,257,907

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1966
  58 years ago

• CPC

  • B23Q35/20 - with special means for varying the ratio of reproduction
  • B23H7/30 - Moving electrode in the feed direction
  • B23Q35/102 - of one line
  • B23Q35/105 - of two lines
  • B23Q35/121 - using mechanical sensing
  • B44B3/001 - by copying
  • B44B2700/021 - by copying
  • Y10T409/301232 - including pantograph cutter-carrier

• US Classifications

  • 409 - Gear cutting, milling, or planing