Patent US3636635A successfully refreshed from Google Patents.
Patent US2736356A successfully refreshed from Google Patents.
US2736356A
Expired / Lapsed
US
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Expellant bladder type fuel cell
Assignee: Chance Vought Aircraft Inc
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Filing: 1954-10-18
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Granted: 1956-02-28
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Expires: 1974-10-18
Abstract
No abstract record available.
Inventors
- 👤 Edward E Bender
- 👤 Jr Clifford Oates
- 👤 Walter J Phane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:06
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/06; B60; B60K; B60K15/00; B60K15/03; B60K15/03177; B64D37/08; Y; Y10; Y10S; Y10S220/00; Y10S220/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN AN EXPELLANT BLADDER FLEXIBLE LIQUID TANK HAVING A LIQUID CELL AND A PRESSURE GAS CELL, SAID LIQUID CELL HAVING AN OUTLET MEANS AND SAID GAS CELL HAVING AN INLET MEANS, WHEREIN ONE SIDE OF THE LIQUID CELL IS COLLAPSED AGAINST THE OTHER SIDE OF THE LIQUID CELL BY EXPANSION OF THE PRESSURE GAS CELL TO EXPEL THE LIQUID FROM WITHIN THE LIQUID CELL, AVAILABILITY MEANS COMPRISING A PLURALITY OF PERFORATED TUBES SECURED TO AND COVERING A MAJOR PORTION OF THE INTERNAL SURFACE OF SAID LIQUID CELL FOR PREVENTING POCKETING OF THE LIQUID AND FOR PROVIDING COMPLETE AVAILABILITY AND EXPULSION OF THE LIQUID FROM SAID LIQUID CELL WHEN IT IS COLLAPSED BY THE PRESSURE GAS CELL.
Claim 2
Dependent Claim
116 words
IN AN EXPELLANT BLADDER FLEXIBLE LIQUID TANK HAVING A LIQUID CELL AND A PRESSURE GAS CELL, SAID LIQUID CELL HAVING AN OUTLET MEANS AND SAID GAS CELL HAVING AN INLET MEANS, WHEREIN ONE SIDE OF THE LIQUID CELL IS COLLAPSED AGAINST THE OTHER SIDE OF THE LIQUID CELL BY EXPANSION OF THE PRESSURE GAS CELL TO EXPEL THE LIQUID FROM WITHIN THE LIQUID CELL, AVAILABILITY MEANS COMPRISING A PLURALITY OF PERFORATED TUBES SECURED TO AND COVERING A MAJOR PORTION OF THE INTERNAL SURFACE OF SAID LIQUID CELL FOR PREVENTING POCKETING OF THE LIQUID AND FOR PROVIDING COMPLETE AVAILABILITY AND EXPULSION OF THE LIQUID FROM SAID LIQUID CELL WHEN IT IS COLLAPSED BY THE PRESSURE GAS CELL.
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |