US3356533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Secondary cell having hydrogenoxygen recombination catalyst in communication with electrolyte chamber
Assignee: General Electric Co
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Filing: 1965-01-07
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Granted: 1967-12-05
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Expires: 1985-01-07
Abstract
No abstract record available.
Inventors
- 👤 Jr William N Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:14
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/52; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
89 words
AN AQUEOUS ELECTROLYTE SECONDARY CELL INCLUDING SPACED POSITIVE AND NEGATIVE PLATES, MEANS ENCAPSULATING SAID POSITIVE AND NEGAIVE PLATES FORMING AN ELECTROLYTE CHAMBER, AN AQUEOUS ELECTROLYE WITHIN SAID ELECTROLYTE CHAMBER AND CONTACTING EACH OF SAID POSITIVE AND NEGATIVE PLATES, A HYDROGEN-OXYGEN RECOMBINATION CATALYST IN COMMUNICATION WITH SAID ELECTROLYE CHAMBER ELECTRICALLY INSULATED FROM EACH OF SAID POSITIVE AND NEGATIVE PLATES AND SPACED FROM CONTACT WITH SAID ELECTROLYTE, AND A WET-PROOFING AGENT HAVING A CRITICAL SURFACE TENSION LESS THAN THE SURFACE TENSION OF WATER FORMING AN EXTERIOR LAYER COVERING SAID RECOMBINATION CATALYST.
Claim 2
Dependent Claim
89 words
AN AQUEOUS ELECTROLYTE SECONDARY CELL INCLUDING SPACED POSITIVE AND NEGATIVE PLATES, MEANS ENCAPSULATING SAID POSITIVE AND NEGAIVE PLATES FORMING AN ELECTROLYTE CHAMBER, AN AQUEOUS ELECTROLYE WITHIN SAID ELECTROLYTE CHAMBER AND CONTACTING EACH OF SAID POSITIVE AND NEGATIVE PLATES, A HYDROGEN-OXYGEN RECOMBINATION CATALYST IN COMMUNICATION WITH SAID ELECTROLYE CHAMBER ELECTRICALLY INSULATED FROM EACH OF SAID POSITIVE AND NEGATIVE PLATES AND SPACED FROM CONTACT WITH SAID ELECTROLYTE, AND A WET-PROOFING AGENT HAVING A CRITICAL SURFACE TENSION LESS THAN THE SURFACE TENSION OF WATER FORMING AN EXTERIOR LAYER COVERING SAID RECOMBINATION CATALYST.
Claim 3
Dependent Claim
66 words
A CATALYST PLENUM INCLUDING MEANS FORMING A CATALYST CHAMBER, MEANS CONNECTING SAID CATALYST CHAMBER TO AT LEAST ONE AQUEOUS ELECTROLYTE SECONDARY CELL, A CATALYST STRUCTURE WITHIN SAID CATALYST CHAMBER COMPRISING A GROUP VIII METAL HAVING AN TOMIC NUMBER IN EXCESS OF 43, AND A WET-PROOFING AGENT HAVING ACRITICAL SURFACE TENSION LESS THAN THE SURFACE TENSION OF WATER FORMING AN EXTERIOR LAYER ON SAID GROUP VIII METAL.
Claim 4
Dependent Claim
66 words
A CATALYST PLENUM INCLUDING MEANS FORMING A CATALYST CHAMBER, MEANS CONNECTING SAID CATALYST CHAMBER TO AT LEAST ONE AQUEOUS ELECTROLYTE SECONDARY CELL, A CATALYST STRUCTURE WITHIN SAID CATALYST CHAMBER COMPRISING A GROUP VIII METAL HAVING AN TOMIC NUMBER IN EXCESS OF 43, AND A WET-PROOFING AGENT HAVING ACRITICAL SURFACE TENSION LESS THAN THE SURFACE TENSION OF WATER FORMING AN EXTERIOR LAYER ON SAID GROUP VIII METAL.
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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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |