Patent US3199726A successfully refreshed from Google Patents.
US3199726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible container and method of emptying the same
Assignee: Uniroyal Inc
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Filing: 1963-11-12
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Granted: 1965-08-10
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Robert E Pierson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:02
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/54; B65D88/58; B65D88/60; B65D88/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A COLLAPSIBLE FLUID-TIGHT SHIPPING CONTAINER FORMED PRIMARILY OF COATED FABRIC AND HAVING A CYLINDRICAL BODY PORTION AND TWO ROUNDED HEADS, THE LOWER OF SAID HEADS HAVING A DISCHARGE OPENING CENTRALLY LOCATED THEREIN, SAID CONTAINER HAVING A CENTRAL TIE CONNECTION WITHIN ITSELF BETWEEN SAID HEADS AND A REMOVABLE CLOSURE FITTING FOR SAID DISCHARGE OPENING, THE IMPROVEMENT COMPRISING: AN ANNULAR BLADDER LAYER ATTACHED TO THE INNER WALL OF SAID CONTAINER THE OUTER EDGE OF SAID BLADDER LAYER BEING ATTACHED TO SAID CYLINDRICAL BOCY PORTION OF SAID CONTAINER, THE INNER EDGE OF SAID BLADDER LAYER BEING ATTACHED TO SAID LOWER HEAD OF SAID CONTAINER ADJACENT TO SAID DISCHAREG OPENING THEREIN; AND MEANS FOR INTRODUCING GAS UNDER PRESSURE BETWEEN SAID BLADDER LAYER AND SAID INNER WALL OF SAID CONTAINER.
Claim 2
Dependent Claim
126 words
IN A COLLAPSIBLE FLUID-TIGHT SHIPPING CONTAINER FORMED PRIMARILY OF COATED FABRIC AND HAVING A CYLINDRICAL BODY PORTION AND TWO ROUNDED HEADS, THE LOWER OF SAID HEADS HAVING A DISCHARGE OPENING CENTRALLY LOCATED THEREIN, SAID CONTAINER HAVING A CENTRAL TIE CONNECTION WITHIN ITSELF BETWEEN SAID HEADS AND A REMOVABLE CLOSURE FITTING FOR SAID DISCHARGE OPENING, THE IMPROVEMENT COMPRISING: AN ANNULAR BLADDER LAYER ATTACHED TO THE INNER WALL OF SAID CONTAINER THE OUTER EDGE OF SAID BLADDER LAYER BEING ATTACHED TO SAID CYLINDRICAL BOCY PORTION OF SAID CONTAINER, THE INNER EDGE OF SAID BLADDER LAYER BEING ATTACHED TO SAID LOWER HEAD OF SAID CONTAINER ADJACENT TO SAID DISCHAREG OPENING THEREIN; AND MEANS FOR INTRODUCING GAS UNDER PRESSURE BETWEEN SAID BLADDER LAYER AND SAID INNER WALL OF SAID CONTAINER.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |