1509761

Information

• Patent Grant
• 1509761

• References
• Source

• Patent Number

  1,509,761

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1924
  100 years ago

• CPC

  • B62C7/04 - Automatic brake control devices
  • B62B17/08 - Braking devices

• US Classifications

  • 188 - Brakes
  • 037 - Excavating