2221863

Information

• Patent Grant
• 2221863

• References
• Source

• Patent Number

  2,221,863

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1940
  84 years ago

• CPC

  • A23G9/48 - Composite products
  • G04C3/18 - incorporating electro-thermal or electro-pneumatic driving means
  • Y10T307/951 - With time delay or retardation means

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 099 - Foods and beverages: apparatus
  • 310 - Electrical generator or motor structure
  • 318 - Electricity: motive power systems
  • 337 - Electricity: electrothermally or thermally actuated switches
  • 368 - Horology: time measuring systems or devices
  • 392 - Electric resistance heating devices
  • 968 - Horology