3670690

Information

• Patent Grant
• 3670690

• References
• Source

• Patent Number

  3,670,690

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1972
  52 years ago

• CPC

  • G10K9/04 - by compressed gases
  • Y10S116/44 - Portable personal alarms

• US Classifications

  • 116 - Signals and indicators
  • 239 - Fluid sprinkling, spraying, and diffusing