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US3039371A Expired / Lapsed US ⏱️ 0.0 years remaining

Fiberboard drum and method of manufacture

Assignee: Mead Corp
•
Filing: 1958-04-04
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Granted: 1962-06-19
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Expires: 1978-04-04
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Abstract

No abstract record available.

Inventors

  • 👤 Norman A Leibreich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 13:56
CPC Classifications
B; B65; B65D; B65D3/00; B65D3/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 143 words
THE METHOD OF MAKING A FIBER CONTAINER IMPRERVIOUS TO THE CONTENTS OF THE CONTAINER COMPRISING THE STEPS OF APPLYING A COATING TO THE INTERIOR SURFACE OF A HOLLOW FIBER CONTAINER BODY, SAID COATING BEING IMPERVIOUS TO THE SELECTED CONTENTS OF THE CONTAINER, REMOVING THE COATING FROM THE MARGINAL EDGE OF SAID BODY ADJACENT AN OPEN END THEREOF BY A PROCESS SIMULTANEOUSLY PRODUCING A ROUGHENED AND NAPPED SURFACE, APPLYOMG PRESSURE REACTIVE ADHESIVE COMPRISING ESSENTIALLY A WATER EMULSION OF POLYVINYL ALCOHOL TO THE MARGINAL EDGE OF A FIBER CLOSURE, INSERTING SAID CLOSURE INTO SAID OPEN END OF SAID BODY, AND PRESSING SAID MARGINAL EDGE OF SAID BODY INTO CONTACT WITH SAID MARGINAL EDGE OF SAID CLOSURE TO REACT SAID ADHESIVE BY SQUEEZING THE LIQUID PHASE THEREFROM TO SECURE SAID BODY TO SAID CLOSURE AND RENDER SAID ADHESIVE IMPERVIOUS TO THE SELECTED CONTENTS OF SAID CONTAINER.
Claim 2
Independent Claim 143 words
THE METHOD OF MAKING A FIBER CONTAINER IMPRERVIOUS TO THE CONTENTS OF THE CONTAINER COMPRISING THE STEPS OF APPLYING A COATING TO THE INTERIOR SURFACE OF A HOLLOW FIBER CONTAINER BODY, SAID COATING BEING IMPERVIOUS TO THE SELECTED CONTENTS OF THE CONTAINER, REMOVING THE COATING FROM THE MARGINAL EDGE OF SAID BODY ADJACENT AN OPEN END THEREOF BY A PROCESS SIMULTANEOUSLY PRODUCING A ROUGHENED AND NAPPED SURFACE, APPLYOMG PRESSURE REACTIVE ADHESIVE COMPRISING ESSENTIALLY A WATER EMULSION OF POLYVINYL ALCOHOL TO THE MARGINAL EDGE OF A FIBER CLOSURE, INSERTING SAID CLOSURE INTO SAID OPEN END OF SAID BODY, AND PRESSING SAID MARGINAL EDGE OF SAID BODY INTO CONTACT WITH SAID MARGINAL EDGE OF SAID CLOSURE TO REACT SAID ADHESIVE BY SQUEEZING THE LIQUID PHASE THEREFROM TO SECURE SAID BODY TO SAID CLOSURE AND RENDER SAID ADHESIVE IMPERVIOUS TO THE SELECTED CONTENTS OF SAID CONTAINER.

References Cited (Backward Citations)

US541720A Cited
US1893554A Cited
US2243231A Cited
US2350232A Cited
US2413570A Cited
US2577821A Cited
US2614087A Cited
US2820584A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-18 1965-12-18 1966-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-18 1969-12-18 1970-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-18 1973-12-18 1974-06-19 $7700.00 Window Closed / Lapsed

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