3408490

Information

• Patent Grant
• 3408490

• References
• Source

• Patent Number

  3,408,490

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1968
  56 years ago

• CPC

  • F21L23/00 - Non-electric hand-lamps for miners
  • F21V25/12 - Flame-proof or explosion-proof arrangements

• US Classifications

  • 362 - Illumination