1487639

Information

• Patent Grant
• 1487639

• References
• Source

• Patent Number

  1,487,639

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1924
  100 years ago

• CPC

  • B62C7/04 - Automatic brake control devices
  • B62B5/0404 - automatic

• US Classifications

  • 188 - Brakes