1040072

Information

• Patent Grant
• 1040072

• References
• Source

• Patent Number

  1,040,072

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1912
  112 years ago

• CPC

  • F21V1/20 - the material being glass

• US Classifications

  • 362 - Illumination
  • D26 - Lighting