US2565273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charger
Assignee: STERLINGWORTH Co
•
Filing: 1950-09-11
•
Granted: 1951-08-21
•
Expires: 1970-09-11
Abstract
No abstract record available.
Inventors
- 👤 Shuler Clyde
- 👤 Charles J Godfrey
- 👤 Lewis A Medlar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:20
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/70; Y; Y10; Y10S; Y10S320/00; Y10S320/18; Y10S320/19; Y10S320/21; Y10S320/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1211752A
Cited
GB169151A
Cited
GB212702A
Cited
US1539051A
Cited
US2101571A
Cited
US2158979A
Cited
US2130250A
Cited
US2253700A
Cited
US2347452A
Cited
US2421828A
Cited
US2510624A
Cited
US2456978A
Cited
US2499663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |