2978861

Information

• Patent Grant
• 2978861

• References
• Source

• Patent Number

  2,978,861

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1961
  64 years ago

• CPC

  • G04C3/18 - incorporating electro-thermal or electro-pneumatic driving means

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 318 - Electricity: motive power systems
  • 337 - Electricity: electrothermally or thermally actuated switches
  • 968 - Horology