2478439

Information

• Patent Grant
• 2478439

• References
• Source

• Patent Number

  2,478,439

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1949
  75 years ago

• CPC

  • B31B1/74 - Auxiliary operations; Parts; Components
  • B31B2201/622 - Coating or impregnating formed boxes
  • B31B2201/625 - by immersing in a bath

• US Classifications

  • 427 - Coating processes
  • 138 - Pipes and tubular conduits
  • 493 - Manufacturing container or tube from paper