3859484

Information

• Patent Grant
• 3859484

• References
• Source

• Patent Number

  3,859,484

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1975
  50 years ago

• CPC

  • H01H35/242 - operated by one particular pressure-time function
  • G01F23/164 - using a diaphragm, bellow as transmitting element

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 073 - Measuring and testing