US2594069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery voltage selector jumper board and terminal board for industrial truck chargers
Assignee: Duracell Inc USA
•
Filing: 1948-02-28
•
Granted: 1952-04-22
•
Expires: 1968-02-28
Abstract
No abstract record available.
Inventors
- 👤 Poehlmann George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:27
CPC Classifications
H; H01; H01R; H01R29/00; H02; H02J; H02J7/00; H02J7/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE367545C
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US1552189A
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GB223402A
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US1892146A
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GB345492A
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US2056361A
Cited
US2286812A
Cited
US2353061A
Cited
US2431999A
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US2482998A
Cited
GB617539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |