US3562977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure fluid storage tank with an inner membrance-like envelope
Assignee: Technigaz
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Filing: 1968-08-08
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Granted: 1971-02-16
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Expires: 1988-08-08
Abstract
Abstract A PRESSURE TANK FOR STORING AT LEAST PARTIALLY LIQUID FLUID COMPRISING AN OUTER CASING OF SELF-SUPPORTING STRUCTURE, AN INNER IMPERVIOUS, METALLIC, THIN-WALLED, FLUID-CONFINING, MEMBRANE-LIKE ENVELOPE CARRIED BY HEAT-INSULATING MATERIALS FILLING THE INTERMEDIATE SPACE LEFT BETWEEN SAID ENVELOPE AND CASING, AND OPEN-ENDED DUCT MEANS EXTENDING THROUGHT THE ENVELOPE WALL FOR PERMANENTLY INTERCONNECTING SAID INTERMEDIATE SPACE AND THAT PORTION OF THE SPACE INSIDE SAID ENVELOPE WHICH CONTAINS THE FLUID GASEOUS PHASE FOR EQUALIZING THE PRESSURES THEREIN APPLIED TO BOTH OPPOSITE WALL SIDES OF SAID ENVELOPE TO TRANSFER THE GASEOUS FLUID PRESSURE DIRECTLY TO SAID CASING.
Inventors
- 👤 Jean Alleaume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:58
CPC Classifications
F; F17; F17C; F17C1/00; F17C1/12; F17C3/00; F17C3/02; F17C3/022; F17C2201/00; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2203/0678; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0352; F17C2209/00; F17C2209/21; F17C2209/2109; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/013; F17C2265/00; F17C2265/03; F17C2270/00; F17C2270/01; F17C2270/0134; F17C2270/0136
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |