1558133

Information

• Patent Grant
• 1558133

• References
• Source

• Patent Number

  1,558,133

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1925
  99 years ago

• CPC

  • A63G1/02 - with masking tunnels
  • A63G1/08 - power-driven

• US Classifications

  • 104 - Railways