1329351

Information

• Patent Grant
• 1329351

• References
• Source

• Patent Number

  1,329,351

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1920
  105 years ago

• CPC

  • H01H37/38 - with bellows
  • 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