3845291

Information

• Patent Grant
• 3845291

• References
• Source

• Patent Number

  3,845,291

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1974
  50 years ago

• CPC

  • F21V31/00 - Gas-tight or water-tight arrangements
  • F21S9/046 - driven by hydropower
  • F21W2131/401 - for swimming pools

• US Classifications

  • 362 - Illumination
  • 340 - Communications: electrical