3629986

Information

• Patent Grant
• 3629986

• References
• Source

• Patent Number

  3,629,986

• Date Filed

  Not available

• Date Issued

  Tuesday, December 28, 1971
  52 years ago

• CPC

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

• US Classifications

  • 052 - Static structures
  • 404 - Road structure, process, or apparatus