2666974

Information

• Patent Grant
• 2666974

• References
• Source

• Patent Number

  2,666,974

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1954
  72 years ago

• CPC

  • E04G11/18 - for double walls

• US Classifications

  • 052 - Static structures
  • 249 - Static molds
  • 264 - Plastic and nonmetallic article shaping or treating: processes