2721913

Information

• Patent Grant
• 2721913

• References
• Source

• Patent Number

  2,721,913

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1955
  69 years ago

• CPC

  • H01H35/242 - operated by one particular pressure-time function

• US Classifications

  • 200 - Electricity: circuit makers and breakers
  • 102 - Ammunition and explosives
  • 367 - Communications, electrical: acoustic wave systems and devices