Patent CH257661A successfully refreshed from Google Patents.
US884930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode for reversible galvanic batteries.
Assignee: NYA ACKUMULATOR-AKTIEBOLAGET JUNGNER
•
Filing: 1904-09-20
•
Granted: 1908-04-14
•
Expires: 1924-09-20
Abstract
No abstract record available.
Inventors
- 👤 Ernst Waldemar Jungner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:30
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/52; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1911-04-14 | 1911-10-14 | 1912-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-04-14 | 1915-10-14 | 1916-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-04-14 | 1919-10-14 | 1920-04-14 | $7700.00 | Window Closed / Lapsed |