1947332

Information

• Patent Grant
• 1947332

• References
• Source

• Patent Number

  1,947,332

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1934
  91 years ago

• CPC

  • G01P13/04 - Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
  • Y10S200/32 - Speed responsive

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 440 - Marine propulsion