US3449166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of filling materials for galvanic elements
Assignee: Accumulatorenfabrik Sonnenschein GmbH
•
Filing: 1967-03-06
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Granted: 1969-06-10
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Expires: 1987-03-06
Abstract
No abstract record available.
Inventors
- 👤 Otto Jache
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:18
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/04; H01M4/0402; H01M4/0416; C; C01; C01G; C01G21/00; C01G21/20; H01M4/0419; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US988963A
Cited
US1382282A
Cited
US1524314A
Cited
US1888823A
Cited
US2981776A
Cited
US3244562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |