Patent US3288278A successfully refreshed from Google Patents.
US3288278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crush-proof sealed package
Assignee: Kitchens of Sara Lee Inc
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Filing: 1964-09-08
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Granted: 1966-11-29
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Expires: 1984-09-08
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.
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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 |