US3479276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver-containing catalytically active particulate material and electrode therefrom
Assignee: VARTA AG
•
Filing: 1966-09-14
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Granted: 1969-11-18
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Expires: 1986-09-14
Abstract
No abstract record available.
Inventors
- 👤 Margarete Jung
- 👤 Harald Becker
- 👤 Hans Von Doehren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:36
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; C; C01; C01B; C01B5/00; C01B5/02; C25; C25B; C25B11/00; C25B11/04; C25B11/051; C25B11/073; C25B11/075; C25B11/081; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA686902A
Cited
US3226263A
Cited
US3207682A
Cited
GB951807A
Cited
US3248787A
Cited
US3242011A
Cited
US3354001A
Cited
US3350200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |