2708645

Information

• Patent Grant
• 2708645

• References
• Source

• Patent Number

  2,708,645

• Date Filed

  Not available

• Date Issued

  Tuesday, May 17, 1955
  69 years ago

• CPC

  • B31B1/74 - Auxiliary operations; Parts; Components
  • B65D65/42 - Applications of coated or impregnated materials
  • D21H19/22 - Polyalkenes
  • B31B2201/622 - Coating or impregnating formed boxes

• US Classifications

  • 427 - Coating processes
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 525 - Synthetic resins or natural rubbers