TREA

using punches or dies

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Industry

  • CPC
  • B31B2219/225
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B31Paper goods B31BMAKING BOXES, CARTONS, ENVELOPES OR BAGS OF PAPER OR CARDBOARD B31B2219/00Specific operations carried out during bag making

Current Industry

B31B2219/225using punches or dies
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3115999
    • Patent number 3,115,999
    • Issue date Dec 31, 1963
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents