3673586

Information

• Patent Grant
• 3673586

• References
• Source

• Patent Number

  3,673,586

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1972
  52 years ago

• CPC

  • G08B17/11 - using an ionisation chamber for detecting smoke or gas
  • G01T7/125 - Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors

• US Classifications

  • 340 - Communications: electrical
  • 250 - Radiant energy