3735138

Information

• Patent Grant
• 3735138

• References
• Source

• Patent Number

  3,735,138

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

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

• US Classifications

  • 250 - Radiant energy
  • 702 - Data processing: measuring, calibrating, or testing