1398278

Information

• Patent Grant
• 1398278

• References
• Source

• Patent Number

  1,398,278

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1921
  102 years ago

• CPC

  • F21V21/20 - operated by weights
  • F21V21/26 - Pivoted arms

• US Classifications

  • 248 - Supports
  • 362 - Illumination