2489474

Information

• Patent Grant
• 2489474

• References
• Source

• Patent Number

  2,489,474

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1949
  75 years ago

• CPC

  • G05G21/00 - Mechanical apparatus for control of a series of operations, i.e. programme control
  • Y10T74/19191 - Alternating rotary
  • Y10T74/19274 - torque responsive
  • Y10T74/19488 - Spur gears
  • Y10T74/19493 - Bevel gears

• US Classifications

  • 074 - Machine element or mechanism
  • 200 - Electricity: circuit makers and breakers