1448825

Information

• Patent Grant
• 1448825

• References
• Source

• Patent Number

  1,448,825

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1923
  101 years ago

• CPC

  • G08B5/14 - with indicator element moving about a pivot

• US Classifications

  • 116 - Signals and indicators