3581703

Information

• Patent Grant
• 3581703

• References
• Source

• Patent Number

  3,581,703

• Date Filed

  Not available

• Date Issued

  Tuesday, June 1, 1971
  53 years ago

• CPC

  • G08B5/40 - using smoke, fire or coloured gases
  • F16L1/11 - for the detection or protection of pipes in the ground
  • F41H9/06 - Apparatus for generating artificial fog or smoke screens
  • F42B12/48 - smoke-producing
  • Y10S116/14 - Tapes as carriers
  • Y10S206/803 - Emergency
  • Y10S428/916 - Fraud or tamper detecting

• US Classifications

  • 116 - Signals and indicators
  • 102 - Ammunition and explosives
  • 206 - Special receptacle or package
  • 405 - Hydraulic and earth engineering
  • 428 - Stock material or miscellaneous articles