US2354877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charger
Assignee: B L ELECTRIC Manufacturing Co
•
Filing: 1941-06-04
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Granted: 1944-08-01
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Expires: 1961-06-04
Abstract
No abstract record available.
Inventors
- 👤 Carl E Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:29
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/90; H02J7/92; H02J7/02; H02J7/60; H02J7/62
Claims Analysis
Total Claims: 0
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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) | 1947-08-01 | 1948-01-31 | 1948-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-01 | 1952-01-31 | 1952-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-01 | 1956-01-31 | 1956-08-01 | $7700.00 | Window Closed / Lapsed |