479849

Information

• Patent Grant
• 479849

• References
• Source

• Patent Number

  479,849

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1892
  132 years ago

• CPC

  • H01H37/62 - Means other than thermal means for introducing a predetermined time delay
  • G05D23/1904 - variable in time
  • G05D23/275 - with sensing element expanding, contracting, or fusing in response to changes of temperature

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches
  • 236 - Automatic temperature and humidity regulation