3129640

Information

• Patent Grant
• 3129640

• References
• Source

• Patent Number

  3,129,640

• Date Filed

  Not available

• Date Issued

  Tuesday, April 21, 1964
  60 years ago

• CPC

  • B23Q35/30 - for control of an electrical or electro-hydraulic copying system
  • B23Q35/123 - the feeler varying the impedance in a circuit
  • Y10T409/303024 - including simultaneously usable plural tracers or including tracer adapted to simultaneously use plural templets

• US Classifications

  • 409 - Gear cutting, milling, or planing