US2528266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charging and forming apparatus
Assignee: Motors Liquidation Co
•
Filing: 1947-12-13
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Granted: 1950-10-31
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Expires: 1967-12-13
Abstract
No abstract record available.
Inventors
- 👤 Robert A Daily
- 👤 Alva L Hindall
- 👤 Donald G Mahoney
- 👤 Belford A Miller
- 👤 Raymond H Bish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:42
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/14; H01M4/16; H01M4/22; H02; H02J; H02J7/00; H02J7/875; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |