1503763

Information

• Patent Grant
• 1503763

• References
• Source

• Patent Number

  1,503,763

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1924
  100 years ago

• CPC

  • B61C15/12 - by reducing the driving power

• US Classifications

  • 105 - Railway rolling stock
  • 475 - Planetary gear transmission systems or components