TREA

Making envelopes holding bar-shaped objects

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Industry

  • CPC
  • B31B2241/006
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B31Paper goods B31BMAKING BOXES, CARTONS, ENVELOPES OR BAGS OF PAPER OR CARDBOARD B31B2241/00Making bags or boxes intended for a specific use

Current Industry

B31B2241/006Making envelopes holding bar-shaped objects
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Composite bag for hard crusted bakery products
    • Patent number 4,099,666
    • Issue date Jul 11, 1978
    • Theodore W. Welles
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    2018705
    • Patent number 2,018,705
    • Issue date Oct 29, 1935
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    1792388
    • Patent number 1,792,388
    • Issue date Feb 10, 1931
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD