2626327

Information

• Patent Grant
• 2626327

• References
• Source

• Patent Number

  2,626,327

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1953
  71 years ago

• CPC

  • G04B47/025 - in musical instruments or loudspeakers
  • G04C21/20 - by closing a contact to ring an electro-mechanical alarm
  • H01H43/00 - Time or time-programme switches providing a choice of time intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 368 - Horology: time measuring systems or devices
  • 455 - Telecommunications
  • 968 - Horology