US2622233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charging arrangement of electric accumulators
Assignee: Alkaline Batteries Ltd
•
Filing: 1951-08-24
•
Granted: 1952-12-16
•
Expires: 1971-08-24
Abstract
No abstract record available.
Inventors
- 👤 Field Braham Rowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:07
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/70; H01; H01R; H01R13/00; H01R13/02; H01R13/26; H02J7/751; Y; Y10; Y10S; Y10S320/00; Y10S320/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1981210A
Cited
US1425689A
Cited
US1605345A
Cited
US1800918A
Cited
US2005623A
Cited
US2375866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |