1511778

Information

• Patent Grant
• 1511778

• References
• Source

• Patent Number

  1,511,778

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1924
  100 years ago

• CPC

  • B60R25/1045 - Signal comming from the exhaust

• US Classifications

  • 116 - Signals and indicators
  • 251 - Valves and valve actuation