3589664

Information

• Patent Grant
• 3589664

• References
• Source

• Patent Number

  3,589,664

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1971
  53 years ago

• CPC

  • E01C23/021 - Removable

• US Classifications

  • 404 - Road structure, process, or apparatus
  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus