3878496

Information

• Patent Grant
• 3878496

• References
• Source

• Patent Number

  3,878,496

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • G01T7/125 - Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors

• US Classifications

  • 250 - Radiant energy
  • 340 - Communications: electrical