US2980842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charging apparatus
Assignee: Fox Products Co
•
Filing: 1957-06-10
•
Granted: 1961-04-18
•
Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Lewis A Medlar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:46
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1845573A
Cited
US2179137A
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US2247506A
Cited
US2340098A
Cited
US2502729A
Cited
US2479087A
Cited
US2720616A
Cited
US2777107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |