1237409

Information

• Patent Grant
• 1237409

• References
• Source

• Patent Number

  1,237,409

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1917
  107 years ago

• CPC

  • F16H61/6645 - controlling shifting exclusively as a function of speed and torque

• US Classifications

  • 476 - Friction gear transmission systems or components
  • 073 - Measuring and testing