2177312

Information

• Patent Grant
• 2177312

• References
• Source

• Patent Number

  2,177,312

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1939
  85 years ago

• CPC

  • G01L5/284 - Measuring braking-time or braking distance

• US Classifications

  • 434 - Education and demonstration
  • 042 - Firearms
  • 073 - Measuring and testing
  • 116 - Signals and indicators