2533131

Information

• Patent Grant
• 2533131

• References
• Source

• Patent Number

  2,533,131

• Date Filed

  Not available

• Date Issued

  Tuesday, December 5, 1950
  74 years ago

• CPC

  • E04G11/18 - for double walls

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes