Patent US3097677A successfully refreshed from Google Patents.
US3097677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible containers
Assignee: Union Carbide Corp
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Filing: 1960-08-11
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Granted: 1963-07-16
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Expires: 1980-08-11
Abstract
No abstract record available.
Inventors
- 👤 James A Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:10
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/16; B65D88/1612; B65D88/1631; B65D88/1637
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A GAS-TIGHT SHAPING CONTAINER OF THE COLLAPSIBLE TYPE CAPABLE OF RETAINING THEREIN A GAS UNDER SUPERATMOSPHERIC PRESSURE WHILE IT IS BEING FILLED WITH SOLID MATERIAL, SAID CONTINER HAVING A FILLING OPENING SURROUNDING BY A METAL RING, A GAS CHECK VALVE OUTSIDE SAID RING, SUBSTANTIALLY GAS-TIGHT CLOSURE REMOVABLY SECURED TO SAID RING AND ACCESSIBLE FROM OUTSIDE SAID CONTAINER, A FLEXIBLE SLEEVE OF SUBSTANTIALLY GAS-IMPERVIOUS MATERIAL HAVING ONE END PORTION SUBSTANTIALLY GAS-TIGHTLY SECURED TO SAID RING WITHIN SAID CLOSURE, MEANS FOR SUBSTANTIALLY GAS-TIGHTLY CLOSING SAID SLEEVE ADJACENT SAID RING TO PROVIDE A POUCH FOR SUPPORTING THE OUTER PORTION OF THE SLEEVE WITHIN THE CONTAINER, WHEN THE SLEEVE IS CLOSED AND SUCH OUTER PORTION TUCKED THEREIN, THE OUTER END PORTION OF SAID SLEEVE BEING ADAPTED TO BE SUBSTANTIALLY GAS-TIGHTLY FITTED AROUND THE OUTSIDE OF A FILLING OR EMPTYING PIPE, WHEREBY AFTER THE SLEEVE CLOSING MEANS BY OPENED FOR THE MOVEMENT OF MATERIAL THROUGH SAID SLEEVE.
Claim 2
Dependent Claim
152 words
A GAS-TIGHT SHAPING CONTAINER OF THE COLLAPSIBLE TYPE CAPABLE OF RETAINING THEREIN A GAS UNDER SUPERATMOSPHERIC PRESSURE WHILE IT IS BEING FILLED WITH SOLID MATERIAL, SAID CONTINER HAVING A FILLING OPENING SURROUNDING BY A METAL RING, A GAS CHECK VALVE OUTSIDE SAID RING, SUBSTANTIALLY GAS-TIGHT CLOSURE REMOVABLY SECURED TO SAID RING AND ACCESSIBLE FROM OUTSIDE SAID CONTAINER, A FLEXIBLE SLEEVE OF SUBSTANTIALLY GAS-IMPERVIOUS MATERIAL HAVING ONE END PORTION SUBSTANTIALLY GAS-TIGHTLY SECURED TO SAID RING WITHIN SAID CLOSURE, MEANS FOR SUBSTANTIALLY GAS-TIGHTLY CLOSING SAID SLEEVE ADJACENT SAID RING TO PROVIDE A POUCH FOR SUPPORTING THE OUTER PORTION OF THE SLEEVE WITHIN THE CONTAINER, WHEN THE SLEEVE IS CLOSED AND SUCH OUTER PORTION TUCKED THEREIN, THE OUTER END PORTION OF SAID SLEEVE BEING ADAPTED TO BE SUBSTANTIALLY GAS-TIGHTLY FITTED AROUND THE OUTSIDE OF A FILLING OR EMPTYING PIPE, WHEREBY AFTER THE SLEEVE CLOSING MEANS BY OPENED FOR THE MOVEMENT OF MATERIAL THROUGH SAID SLEEVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |