3303307

Information

• Patent Grant
• 3303307

• References
• Source

• Patent Number

  3,303,307

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1967
  59 years ago

• CPC

  • B64D37/32 - Safety measures not otherwise provided for
  • F42B12/50 - by dispersion
  • G08B5/40 - using smoke, fire or coloured gases

• US Classifications

  • 337 - Electricity: electrothermally or thermally actuated switches