2531138

Information

• Patent Grant
• 2531138

• References
• Source

• Patent Number

  2,531,138

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1950
  74 years ago

• CPC

  • G04F3/027 - using electrical contacts
  • H01H7/12 - mechanical

• US Classifications

  • 219 - Electric heating
  • 099 - Foods and beverages: apparatus
  • 185 - Motors: spring, weight, or animal powered
  • 200 - Electricity: circuit makers and breakers
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology