1522438

Information

• Patent Grant
• 1522438

• References
• Source

• Patent Number

  1,522,438

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1925
  100 years ago

• CPC

  • B60R25/1045 - Signal comming from the exhaust

• US Classifications

  • 116 - Signals and indicators