1948889

Information

• Patent Grant
• 1948889

• References
• Source

• Patent Number

  1,948,889

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1934
  91 years ago

• CPC

  • E01B9/14 - Plugs, sleeves, thread linings, or other inserts for holes in sleepers
  • E01B9/16 - for wooden sleepers
  • F16B13/02 - in one piece with protrusion or ridges on the shaft
  • F16B13/124 - fastened by inserting a threaded element
  • F16B13/141 - Fixing plugs in holes by the use of settable material

• US Classifications

  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener