Patent US3462307A successfully refreshed from Google Patents.
US3462307A
Expired / Lapsed
US
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Metal-air battery including fibrillated cathode
Assignee: Wyeth Holdings LLC
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Filing: 1966-04-28
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Granted: 1969-08-19
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Expires: 1986-04-28
Abstract
No abstract record available.
Inventors
- 👤 John Davidson Voorhies
- 👤 Henry Patrick Landi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:24
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/28; H; H01; H01M; H01M12/00; H01M12/04; H01M12/06; H01M12/065; H01M4/00; H01M4/02; H01M2004/026; H01M2004/029; H01M6/00; H01M6/42; H01M6/46; H01M6/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A METAL-AIR BATTERY OF THE BI-POLAR TYPE HAVING POSITIONED THEREIN TERMINAL ELECTRICAL CONNECTORS COMPRISING IN COMBINATION: A PLURALITY OF ELECTRICALLY LINKED COMPRESSED CELLS, EACH OF SAID COMPRESSED CELLS CONSISTING ESSENTIALLY OF: (A) A METALLIZED AIR SPACER, (B) A GRAPHITEFILLED, HIGHLY POROUS, EXTENSIVELY FIBRILLATED POLYTETRAFLUOROETHYLENE CATHODE STRUCTURE WHICH IS GAS PERMEABLE BUT AQUEOUS ELECTROLYTE IMPERMEABLE, (C) AN INSULATED CONTAINER ADAPTED TO BE FILLED WITH AN AQUEOUS ELECTROLYTE,
Claim 2
Dependent Claim
66 words
A METAL-AIR BATTERY OF THE BI-POLAR TYPE HAVING POSITIONED THEREIN TERMINAL ELECTRICAL CONNECTORS COMPRISING IN COMBINATION: A PLURALITY OF ELECTRICALLY LINKED COMPRESSED CELLS, EACH OF SAID COMPRESSED CELLS CONSISTING ESSENTIALLY OF: (A) A METALLIZED AIR SPACER, (B) A GRAPHITEFILLED, HIGHLY POROUS, EXTENSIVELY FIBRILLATED POLYTETRAFLUOROETHYLENE CATHODE STRUCTURE WHICH IS GAS PERMEABLE BUT AQUEOUS ELECTROLYTE IMPERMEABLE, (C) AN INSULATED CONTAINER ADAPTED TO BE FILLED WITH AN AQUEOUS ELECTROLYTE,
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) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |