Patent US3284243A successfully refreshed from Google Patents.
US3284243A
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Gas diffusion of electrodes of oriented porosity and process of producing such electrodes
Assignee: Siemens Schuckertwerke AG
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Filing: 1962-12-11
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Granted: 1966-11-08
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Expires: 1982-12-11
Abstract
No abstract record available.
Inventors
- 👤 Sturm Ferdinand Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:40
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A GAS DIFFUSION ELECTRODE HAVING A GAS SIDE AND AN ELECTROLYTE SIDE AND COMPRISING AN ELECTRODE STRUCTURE COMPOSED OF A MULTIPLICITY OF FILAMENTS HAVING METALLIC SURFACES AND EXTENDING APPROXIMATELY PARALLEL AND IN CONTACT WITH ONE ANOTHER BETWEEN SAID TWO SIDES, SAID FILAMENTS FORMING SUBSTANTIALLY PARALLEL INTERSTITIAL PORES AND SAID FILAMENTS HAVING RESPECTIVELY CROSS-SECTIONAL AREAS GRANUALLY DECREASING FROM SAID ELECTROLYTE SIDE TO SAID GAS SIDE SO THAT SAID PORES CONTINUOUSLY TAPER FROM SAID GAS SIDE TO SAID ELECTROLYTE SIDE, SAID FILAMENTS CONSISTING OF A NON-CATALYTIC CARRIER MATERIAL AND A COATING OF CATALYST METAL.
Claim 2
Dependent Claim
92 words
A GAS DIFFUSION ELECTRODE HAVING A GAS SIDE AND AN ELECTROLYTE SIDE AND COMPRISING AN ELECTRODE STRUCTURE COMPOSED OF A MULTIPLICITY OF FILAMENTS HAVING METALLIC SURFACES AND EXTENDING APPROXIMATELY PARALLEL AND IN CONTACT WITH ONE ANOTHER BETWEEN SAID TWO SIDES, SAID FILAMENTS FORMING SUBSTANTIALLY PARALLEL INTERSTITIAL PORES AND SAID FILAMENTS HAVING RESPECTIVELY CROSS-SECTIONAL AREAS GRANUALLY DECREASING FROM SAID ELECTROLYTE SIDE TO SAID GAS SIDE SO THAT SAID PORES CONTINUOUSLY TAPER FROM SAID GAS SIDE TO SAID ELECTROLYTE SIDE, SAID FILAMENTS CONSISTING OF A NON-CATALYTIC CARRIER MATERIAL AND A COATING OF CATALYST METAL.
References Cited (Backward Citations)
US2678343A
Cited
US2805274A
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US2860175A
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US2947797A
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US3071637A
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US3097974A
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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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |