US3248214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing catalytic electrodes
Assignee: VARTA AG
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Filing: 1961-11-01
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Granted: 1966-04-26
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Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Hanns-H Kroeger
- 👤 Dehmelt Klaus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:52
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/88; H01M4/8803; B; B01; B01J; B01J23/00; B01J23/70; B01J23/74; B01J37/00; B22; B22F; B22F7/00; B22F7/002; H01M4/8817; H01M4/8825; H01M4/8857; H01M4/8878; H01M4/8882; H01M4/8885; H01M4/8889; H01M4/8892; H01M4/90; H01M4/9041; H01M2004/8678; H01M2004/8684; H01M4/9016; H01M4/92; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF PRODUCING A CATALYTIC ELECTRODE COMPRISING A SINTERED ELECTRODE BODY AND A CATALYTIC SUBSTANCE, COMPRISING THE STEPS OF MOLDING A SINTERABLE METALLIC POWDER INTO A CUP-SHAPED BODY HAVING AN OPEN RECESS, FILLING THE RECESS WITH THE CATALYTIC SUBSTANCE, COVERING SAID CUP-SHAPED BODY AND RECESS WITH A LAYER OF A SINTERABLE METALLIC POWDER, PRESSING THE METALLIC POWDERS OF THE CUP-SHAPED BODY AND THE COVERING LAYER TOGETHER, AND SINTERING THE METALLIC POWDERS WHEREBY SAID CUP-SHAPED BODY AND SAID LAYER FORM THE SINTERED ELECTRODE BODY.
Claim 2
Independent Claim
84 words
A METHOD OF PRODUCING A CATALYTIC ELECTRODE COMPRISING A SINTERED ELECTRODE BODY AND A CATALYTIC SUBSTANCE, COMPRISING THE STEPS OF MOLDING A SINTERABLE METALLIC POWDER INTO A CUP-SHAPED BODY HAVING AN OPEN RECESS, FILLING THE RECESS WITH THE CATALYTIC SUBSTANCE, COVERING SAID CUP-SHAPED BODY AND RECESS WITH A LAYER OF A SINTERABLE METALLIC POWDER, PRESSING THE METALLIC POWDERS OF THE CUP-SHAPED BODY AND THE COVERING LAYER TOGETHER, AND SINTERING THE METALLIC POWDERS WHEREBY SAID CUP-SHAPED BODY AND SAID LAYER FORM THE SINTERED ELECTRODE BODY.
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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |