2309903

Information

• Patent Grant
• 2309903

• References
• Source

• Patent Number

  2,309,903

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1943
  81 years ago

• CPC

  • B28B21/58 - Steel tubes
  • B28B19/0038 - lining the outer wall of hollow objects
  • B28B21/56 - incorporating reinforcements or inserts
  • B29C63/00 - Lining or sheathing

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 425 - Plastic article or earthenware shaping or treating: apparatus