3491659

Information

• Patent Grant
• 3491659

• References
• Source

• Patent Number

  3,491,659

• Date Filed

  Not available

• Date Issued

  Tuesday, January 27, 1970
  55 years ago

• CPC

  • E01C11/106 - Joints with only prefabricated packing; Packings therefor
  • E01C23/021 - Removable

• US Classifications

  • 404 - Road structure, process, or apparatus