1772582

Information

• Patent Grant
• 1772582

• References
• Source

• Patent Number

  1,772,582

• Date Filed

  Not available

• Date Issued

  Tuesday, August 12, 1930
  94 years ago

• CPC

  • E01B11/36 - Fastening means for fishplates
  • Y10S411/922 - Nail, spike or tack having locking device

• US Classifications

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