1371185

Information

• Patent Grant
• 1371185

• References
• Source

• Patent Number

  1,371,185

• Date Filed

  Not available

• Date Issued

  Tuesday, March 8, 1921
  103 years ago

• CPC

  • F21L4/00 - Electric lighting devices with self-contained electric batteries or cells
  • G06C15/14 - having pin wheel

• US Classifications

  • 235 - Registers