841845

Information

• Patent Grant
• 841845

• References
• Source

• Patent Number

  841,845

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1907
  118 years ago

• CPC

  • F21V37/0075 - Fastening or safety devices for reflectors, cover glasses or chimneys
  • F21V7/04 - Optical design
  • F21V29/004 - Natural cooling

• US Classifications

  • 362 - Illumination