1820603

Information

• Patent Grant
• 1820603

• References
• Source

• Patent Number

  1,820,603

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1931
  93 years ago

• CPC

  • E01B7/06 - Constructions with flexible tongues or flexible fishplates

• US Classifications

  • 238 - Railways: surface track