3330187

Information

• Patent Grant
• 3330187

• References
• Source

• Patent Number

  3,330,187

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1967
  57 years ago

• CPC

  • E01C23/021 - Removable
  • E01C11/10 - Packing of plastic or elastic materials

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes