3890448

Information

• Patent Grant
• 3890448

• References
• Source

• Patent Number

  3,890,448

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • B65D81/3492 - specially adapted to be heated in a toaster
  • B65D75/32 - one or both sheets or blanks being recessed to accommodate contents
  • B65D81/3415 - specially adapted to be heated in hot water
  • B65D81/343 - specially adapted to be heated in a conventional oven
  • Y10S229/903 - Ovenable

• US Classifications

  • 426 - Food or edible material: processes, compositions, and products
  • 220 - Receptacles
  • 229 - Envelopes, wrappers, and paperboard boxes
  • 528 - Synthetic resins or natural rubbers