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US3150813A Expired / Lapsed US ⏱️ 0.0 years remaining

Bag closure

Assignee: Individual
•
Filing: 1961-09-14
•
Granted: 1964-09-29
•
Expires: 1981-09-14
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Abstract

No abstract record available.

Inventors

  • 👤 Charles P Wellman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:08
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/30; Y; Y10; Y10S; Y10S383/00; Y10S383/905

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 88 words
A RECEPTACLE, COMPRISING: A THERMOPLASTIC BAG MEMBER HAVING AN OPENED END AND HAVING SAID OPENED END FOLDED UPON ITSELF TO PROVIDE A POCKET, A CREASABLE METAL FOIL STRIP PROVIDED CONTINUOUSLY ABOUT THE OPEN END OF SAID BAG MEMBER AND DISPOSED AT LEAST IN PART WITHIN SAID POCKET, MEANS SECURING FOLDED BAG END TO ITSELF AND RETAINING SAID METAL FOIL STRIP IN SAID POCKET, AND SAID METAL FOIL STRIP BEING OF A WIDTH PERMISSIVE OF BEING FOLDED UNDER AND UPON ITSELF FOR CLOSING THE OPEN END OF SAID BAG.

References Cited (Backward Citations)

US220510A Cited
US907492A Cited
US1960232A Cited
US2622053A Cited
US2480500A Cited
CH271134A Cited
US2798523A Cited
US2855137A Cited
US2854717A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-29 1968-03-30 1968-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-29 1972-03-30 1972-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-29 1976-03-30 1976-09-29 $7700.00 Window Closed / Lapsed

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