Patent US3331704A successfully refreshed from Google Patents.
US3331704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell with fluid control system
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1961-08-30
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Granted: 1967-07-18
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Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Vickers
- 👤 Alfred E Dietz
- 👤 Herbert P Dengler
- 👤 Edward W S Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:50
CPC Classifications
H; H01; H01M; H01M8/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN COMBINATION WITH A FUEL CELL PACK CONTAINING A PLURALITY OF ELECTRLYTE CHAMBERS, MANIFOLD MEANS LOCATED ABOVE SAID ELECTRLYTE CHAMBERS, SAID MANIFOLD MEANS INCLUDING A CONTINUOUS PASSAGEWAY; A FLUID OUTLET IN EACH OF SAID ELECTRLYTE CHAMBERS COMMUNICATING WITH SAID PASSAGEWAY; A PLURALITY OF PARTITION MEMBERS WITHIN SAID PASSAGEWAY AND EXTENDING TRANSVERSELY THEREIN, AT LEAST ONE OF SAID PARTITION MEMBERS BEING LOCATED BETWEEN ADJACENT FLUID OUTLETS OF SAID ELECTRLYTE CHAMBERS; A COVER MEMBER LOCATED IN AND EXTENDING THE LENGTH OF SAID PASSAGEWAY, SAID COVER MEMBER BEING SUPPORTED BY SAID PARTITION MEMBERS AND HAVING AT LEAST ONE PORT IN NORMAL FLOW COMMUNICATION WITH EACH ELECTROLYTE CHAMBER; AND AT LEAST ONE FLOATING PERFORATED PLATE-LIKE VALVE MEMBER LOCATED WITHIN SAID PASSAGEWAY BELOW SAID COVER MEMBER AND ABOVE SAID FLUID OUTLETS.
Claim 2
Dependent Claim
126 words
IN COMBINATION WITH A FUEL CELL PACK CONTAINING A PLURALITY OF ELECTRLYTE CHAMBERS, MANIFOLD MEANS LOCATED ABOVE SAID ELECTRLYTE CHAMBERS, SAID MANIFOLD MEANS INCLUDING A CONTINUOUS PASSAGEWAY; A FLUID OUTLET IN EACH OF SAID ELECTRLYTE CHAMBERS COMMUNICATING WITH SAID PASSAGEWAY; A PLURALITY OF PARTITION MEMBERS WITHIN SAID PASSAGEWAY AND EXTENDING TRANSVERSELY THEREIN, AT LEAST ONE OF SAID PARTITION MEMBERS BEING LOCATED BETWEEN ADJACENT FLUID OUTLETS OF SAID ELECTRLYTE CHAMBERS; A COVER MEMBER LOCATED IN AND EXTENDING THE LENGTH OF SAID PASSAGEWAY, SAID COVER MEMBER BEING SUPPORTED BY SAID PARTITION MEMBERS AND HAVING AT LEAST ONE PORT IN NORMAL FLOW COMMUNICATION WITH EACH ELECTROLYTE CHAMBER; AND AT LEAST ONE FLOATING PERFORATED PLATE-LIKE VALVE MEMBER LOCATED WITHIN SAID PASSAGEWAY BELOW SAID COVER MEMBER AND ABOVE SAID FLUID OUTLETS.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |