US3260576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Porous sintered body and method of preparation
Assignee: Siemens Schuckertwerke AG
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Filing: 1963-04-25
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Granted: 1966-07-12
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Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Gruene Horst
- 👤 Justi Eduard
- 👤 Winsel August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:31
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/0402; B; B22; B22F; B22F1/00; B22F1/17; B22F3/00; B22F3/10; B22F3/11; H01B; H01B1/00; H01B1/02; H01M4/0421; H01M4/043; H01M4/0433; H01M4/0438; H01M4/045; H01M4/0471; H01M4/049; H01M4/0492; H01M4/0497; H01M4/86; H01M4/8605; H01M4/8621; H01M4/90; H01M4/9041; H01M4/8647; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/50; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153; Y10T428/12181; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12778
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A POROUS, ELECTRICALLY CONDUCTIVE, MECHANICALLY SELFSUSTAINING, SINTERED ELECTRODE COMPRISING A CORE OF AN INTER-METALLIC ALUMINUM NICKEL COMPOUND ALNI, SUBSTANTIALLY UNDEFORMABLE UNDER SINTERING CONDITIONS OF A POWDER OF BRITTLE PARTICLE MATERIAL OF SAID COMPOUND AND AN ELECTRICALLY CONDUCTIVE, DUCTILE METAL COATING SURROUNDING AT LEAST A MAJOR PORTION OF EACH OF THE PARTICLED MATERIALS OF THE CORE.
Claim 2
Dependent Claim
55 words
A POROUS, ELECTRICALLY CONDUCTIVE, MECHANICALLY SELFSUSTAINING, SINTERED ELECTRODE COMPRISING A CORE OF AN INTER-METALLIC ALUMINUM NICKEL COMPOUND ALNI, SUBSTANTIALLY UNDEFORMABLE UNDER SINTERING CONDITIONS OF A POWDER OF BRITTLE PARTICLE MATERIAL OF SAID COMPOUND AND AN ELECTRICALLY CONDUCTIVE, DUCTILE METAL COATING SURROUNDING AT LEAST A MAJOR PORTION OF EACH OF THE PARTICLED MATERIALS OF THE CORE.
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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |