3792254

Information

• Patent Grant
• 3792254

• References
• Source

• Patent Number

  3,792,254

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  50 years ago

• CPC

  • G08B17/113 - Constructional details
  • H01J41/08 - with ionisation by means of radioactive substances

• US Classifications

  • 250 - Radiant energy
  • 340 - Communications: electrical