2257020

Information

• Patent Grant
• 2257020

• References
• Source

• Patent Number

  2,257,020

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1941
  83 years ago

• CPC

  • E01B13/02 - Rail anchors
  • E01B9/28 - Fastening on wooden or concrete sleepers or on masonry with clamp members
  • E01B2201/08 - by plastic or elastic deformation of fastener
  • E01B2201/10 - in alternative ways

• US Classifications

  • 238 - Railways: surface track