2117768

Information

• Patent Grant
• 2117768

• References
• Source

• Patent Number

  2,117,768

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1938
  86 years ago

• CPC

  • G04C23/14 - Mechanisms continuously running to relate the operation(s) to the time of day
  • 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
  • 200 - Electricity: circuit makers and breakers
  • 968 - Horology