Patent US3297152A successfully refreshed from Google Patents.
US3297152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valved mixing container or package
Assignee: Individual
•
Filing: 1964-03-04
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Granted: 1967-01-10
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Corella
- 👤 William S Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:00
CPC Classifications
B; B65; B65D; B65D31/00; B65D31/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CONTAINER, COMPRISING: A PAIR OF OPPOSED, FLEXIBLE OUTER WALLS DEFINING A PRODUCT-RECEIVING SPACE; WALL MEANS DEFINING AN INLET PASSAGE EXTENDING INWARDLY OF THE CONTAINER FROM ONE EDGE THEREOF AND COMMUNICATING WITH THE PRODUCT-RECEIVING SPACE, SAID WALL MEANS COMPRISING A PAIR OF OPOSED FLEXIBLE WALLS OF WHICH AT LEAST ONE WALL IS IN ADDITION TO THE OUTER WALLS; A STRIP OF PRESSURE SENSITIVE ADHESIVE EXTENDING ACROSS THE INLET PASSAGE ON THE INNER FACE OF ONE OF THE OPPOSED WALLS OF THE LAST MENTIONED PAIR OF WALLS TO HOLD SAID OPPOSED WALLS IN MUTUAL CONTACT NORMALLY TO CLOSE THE PASSAGE TO REVERSE FLOW OF FLUID OUT OF THE PRODUCT-RECEIVING SPACE YET ALLOWING THE WALLS TO BE SEPARATED TO PERMIT A FLUID TO FLOW THROUGH THE PASSAGE INTO THE PRODUCT-RECEIVING SPACE.
Claim 2
Dependent Claim
129 words
A CONTAINER, COMPRISING: A PAIR OF OPPOSED, FLEXIBLE OUTER WALLS DEFINING A PRODUCT-RECEIVING SPACE; WALL MEANS DEFINING AN INLET PASSAGE EXTENDING INWARDLY OF THE CONTAINER FROM ONE EDGE THEREOF AND COMMUNICATING WITH THE PRODUCT-RECEIVING SPACE, SAID WALL MEANS COMPRISING A PAIR OF OPOSED FLEXIBLE WALLS OF WHICH AT LEAST ONE WALL IS IN ADDITION TO THE OUTER WALLS; A STRIP OF PRESSURE SENSITIVE ADHESIVE EXTENDING ACROSS THE INLET PASSAGE ON THE INNER FACE OF ONE OF THE OPPOSED WALLS OF THE LAST MENTIONED PAIR OF WALLS TO HOLD SAID OPPOSED WALLS IN MUTUAL CONTACT NORMALLY TO CLOSE THE PASSAGE TO REVERSE FLOW OF FLUID OUT OF THE PRODUCT-RECEIVING SPACE YET ALLOWING THE WALLS TO BE SEPARATED TO PERMIT A FLUID TO FLOW THROUGH THE PASSAGE INTO THE PRODUCT-RECEIVING SPACE.
References Cited (Backward Citations)
US2697531A
Cited
US2804257A
Cited
US2679969A
Cited
US2800269A
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FR1184550A
Cited
US3195801A
Cited
US3106159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |