2874522

Information

• Patent Grant
• 2874522

• References
• Source

• Patent Number

  2,874,522

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1959
  66 years ago

• CPC

  • H01H11/02 - for mercury switches
  • Y10S53/03 - Sealing electron tubes
  • Y10T29/49105 - Switch making
  • Y10T29/49829 - Advancing work to successive stations [i.e., assembly line]

• US Classifications

  • 029 - Metal working
  • 053 - Package making
  • 200 - Electricity: circuit makers and breakers