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Patent US2565273A successfully refreshed from Google Patents.
US2565273A
Expired / Lapsed
US
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Battery charger
Assignee: STERLINGWORTH Co
•
Filing: 1950-09-11
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Granted: 1951-08-21
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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
2026-10-30 13:50
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
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References Cited (Backward Citations)
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US2101571A
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US2158979A
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US2130250A
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US2253700A
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US2347452A
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US2421828A
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US2510624A
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US2456978A
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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 |