3851989

Information

• Patent Grant
• 3851989

• References
• Source

• Patent Number

  3,851,989

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1974
  50 years ago

• CPC

  • E01C11/103 - Joints with packings prepared only in situ; Materials therefor

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 014 - Bridges