3860905

Information

• Patent Grant
• 3860905

• References
• Source

• Patent Number

  3,860,905

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1975
  50 years ago

• CPC

  • B60Q1/54 - for indicating speed outside of the vehicle
  • G01P1/11 - by the detection of the position of the indicator needle

• US Classifications

  • 340 - Communications: electrical
  • 073 - Measuring and testing
  • 180 - Motor vehicles