1757137

Information

• Patent Grant
• 1757137

• References
• Source

• Patent Number

  1,757,137

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1930
  94 years ago

• CPC

  • E01B11/36 - Fastening means for fishplates
  • Y10S411/96 - Friction

• US Classifications

  • 238 - Railways: surface track
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener