983839

Information

• Patent Grant
• 983839

• References
• Source

• Patent Number

  983,839

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1911
  114 years ago

• CPC

  • E01B9/10 - Screws or bolts for sleepers
  • Y10S411/972 - Distorted

• US Classifications

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