1538657

Information

• Patent Grant
• 1538657

• References
• Source

• Patent Number

  1,538,657

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1925
  99 years ago

• CPC

  • E01B11/38 - Loking arrangements for fastening means
  • E01B11/62 - Bridge chairs

• US Classifications

  • 238 - Railways: surface track