US2791749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charging and testing apparatus
Assignee: Fox Products Co
•
Filing: 1955-05-03
•
Granted: 1957-05-07
•
Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 James B Godshalk
- 👤 Lewis A Medlar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:27
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/02; H02J7/80; H02J7/84
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1922792A
Cited
US2225231A
Cited
US2347452A
Cited
US2431992A
Cited
US2675522A
Cited
US2689939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |