US3367023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacturing of a porous metallic electrode
Assignee: Gesellschaft zur Foerderung der Forschung an der Eidgenoessischen Technischen Hochschule
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Filing: 1965-05-24
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Granted: 1968-02-06
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Petermann Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:58
CPC Classifications
C; C22; C22F; C22F1/00; B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F3/1121; B22F3/1134; C25; C25D; C25D17/00; C25D17/10; C25D17/12; H; H01; H01M; H01M4/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T29/49826; Y10T29/49828; Y10T29/4998; Y10T29/49988; Y10T29/49989
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125788A
Cited
SU127410A1
Cited
US2661238A
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US2895819A
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DE1164674B
Cited
US3177574A
Cited
US3264101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |