438687

Information

• Patent Grant
• 438687

• References
• Source

• Patent Number

  438,687

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1890
  134 years ago

• CPC

  • E01B29/40 - Means or arrangements for temporarily supporting laid tracks, or rails or sleepers in the track
  • Y10S411/927 - Side

• US Classifications

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