1778642

Information

• Patent Grant
• 1778642

• References
• Source

• Patent Number

  1,778,642

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1930
  94 years ago

• CPC

  • F21S13/10 - with a standard
  • F21V17/00 - Fastening of component parts of lighting devices
  • Y10S411/974 - Side lock
  • Y10S411/978 - Pawl and ratchet

• US Classifications

  • 362 - Illumination
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener