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US3288278A Expired / Lapsed US ⏱️ 0.0 years remaining

Crush-proof sealed package

Assignee: Kitchens of Sara Lee Inc
•
Filing: 1964-09-08
•
Granted: 1966-11-29
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Expires: 1984-09-08
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Abstract

No abstract record available.

Inventors

  • 👤 Harold M Rich
  • 👤 Berthold L Weller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:25
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/321; B65D75/323; B65D75/324; B65D75/52; B65D77/00; B65D77/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 126 words
A CRUSH-PROOF SEALED PACKAGE COMPRISING A PAIR OF OPPOSED SUBSTANTIALLY SEMI-CYLINDRICAL THERMOPLASTIC MATERIAL CONTAINER BODY SECTIONS, AN ARTICLES POSITIONED IN THE CONTAINER FORMED BY SAID BODY SECTIONS, A PERIPHERAL FLANGE INTEGRALLY FORMED WITH EACH OF SAID BODY SECTIONS, A TEAR TAPE SECURED TO THE INNER SURFACE OF ONE OF SAID FLANGES, A THIN FUSION LINE AROUND THE MARGINAL EDGES OF SAID FLANGES CONNECTING SAID FLANGES TOGETHER IN AIRTIGHT RELATIONSHIP, AND A RECTANGULAR, RELATIVELY COLLAPSIBLE, SINGLE-PLY, PAPERBOARD MATERIAL CARTON, SAID CONTAINER BEING SNUGLY POSITIONED IN SAID CARTON SO THAT SAID CONNECTED FLANGES PROVIDED A BRACE BETWEEN OPPOSITE CORNERS OF SAID CARTON, SAID CONNECTED FLANGES AND THE ARCUATE WALLS OF SAID CONTAINER COOPERATING WITH THE CORNERS AND WALLS OF SAID CARTON TO GREATLY STRENGTHENED AND RIGIDIFY THE SAME.
Claim 2
Dependent Claim 126 words
A CRUSH-PROOF SEALED PACKAGE COMPRISING A PAIR OF OPPOSED SUBSTANTIALLY SEMI-CYLINDRICAL THERMOPLASTIC MATERIAL CONTAINER BODY SECTIONS, AN ARTICLES POSITIONED IN THE CONTAINER FORMED BY SAID BODY SECTIONS, A PERIPHERAL FLANGE INTEGRALLY FORMED WITH EACH OF SAID BODY SECTIONS, A TEAR TAPE SECURED TO THE INNER SURFACE OF ONE OF SAID FLANGES, A THIN FUSION LINE AROUND THE MARGINAL EDGES OF SAID FLANGES CONNECTING SAID FLANGES TOGETHER IN AIRTIGHT RELATIONSHIP, AND A RECTANGULAR, RELATIVELY COLLAPSIBLE, SINGLE-PLY, PAPERBOARD MATERIAL CARTON, SAID CONTAINER BEING SNUGLY POSITIONED IN SAID CARTON SO THAT SAID CONNECTED FLANGES PROVIDED A BRACE BETWEEN OPPOSITE CORNERS OF SAID CARTON, SAID CONNECTED FLANGES AND THE ARCUATE WALLS OF SAID CONTAINER COOPERATING WITH THE CORNERS AND WALLS OF SAID CARTON TO GREATLY STRENGTHENED AND RIGIDIFY THE SAME.

References Cited (Backward Citations)

US2759654A Cited
US2941660A Cited
US2805973A Cited
US2915214A Cited
US2893877A Cited
US3069273A Cited
US3128030A Cited
US3164478A Cited
US3211503A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-28 1970-05-30 1970-11-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-28 1974-05-30 1974-11-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-28 1978-05-30 1978-11-29 $7700.00 Window Closed / Lapsed

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