2537227

Information

• Patent Grant
• 2537227

• References
• Source

• Patent Number

  2,537,227

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1951
  74 years ago

• CPC

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

• US Classifications

  • 235 - Registers