1685840

Information

• Patent Grant
• 1685840

• References
• Source

• Patent Number

  1,685,840

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1928
  96 years ago

• CPC

  • B61L3/02 - at selected places along the route

• US Classifications

  • 303 - Fluid-pressure and analogous brake systems