Patent US691144A successfully refreshed from Google Patents.
US691144A
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US
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Apparatus for charging batteries.
Assignee: AKOUPHONE Manufacturing Co
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Filing: 1901-07-19
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Granted: 1902-01-14
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Expires: 1921-07-19
Abstract
No abstract record available.
Inventors
- 👤 Miller Reese Hutchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:53
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/60; H02J7/68; Y; Y10; Y10S; Y10S320/00; Y10S320/18; Y10S320/21; Y10S320/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1905-01-13 | 1905-07-15 | 1906-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-01-13 | 1909-07-15 | 1910-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-01-13 | 1913-07-15 | 1914-01-14 | $7700.00 | Window Closed / Lapsed |