2166657

Information

• Patent Grant
• 2166657

• References
• Source

• Patent Number

  2,166,657

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1939
  85 years ago

• CPC

  • F21V23/04 - the elements being switches
  • F21L15/10 - without arrangements for adjustment

• US Classifications

  • 362 - Illumination
  • 043 - Fishing, trapping, and vermin destroying
  • 429 - Chemistry: electrical current producing apparatus, product, and process