US2456978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charger
Assignee: Fox Products Co
•
Filing: 1948-01-28
•
Granted: 1948-12-21
•
Expires: 1968-01-28
Abstract
No abstract record available.
Inventors
- 👤 Medlar Lewis Abbott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:30
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/90; H02J7/92; H02J7/02; H02J7/04; Y; Y10; Y10S; Y10S320/00; Y10S320/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2369826A
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US2421828A
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US2432069A
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US2436057A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |