1619757

Information

• Patent Grant
• 1619757

• References
• Source

• Patent Number

  1,619,757

• Date Filed

  Not available

• Date Issued

  Tuesday, March 1, 1927
  97 years ago

• CPC

  • E01B9/14 - Plugs, sleeves, thread linings, or other inserts for holes in sleepers
  • F16B13/065 - fastened by extracting the screw, nail or the like

• US Classifications

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