3570177

Information

• Patent Grant
• 3570177

• References
• Source

• Patent Number

  3,570,177

• Date Filed

  Not available

• Date Issued

  Tuesday, March 16, 1971
  53 years ago

• CPC

  • A63H21/04 - Mono-railways

• US Classifications

  • 104 - Railways
  • 238 - Railways: surface track