US2647159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage battery filling and venting structure
Assignee: Exide Technologies LLC
•
Filing: 1949-12-02
•
Granted: 1953-07-28
•
Expires: 1969-12-02
Abstract
No abstract record available.
Inventors
- 👤 Lester E Lighton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:04
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/48; H01M10/484; H01M50/00; H01M50/30; H01M50/308; H01M50/60; H01M50/609; H01M50/627; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8342
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1269096A
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GB145387A
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US1702998A
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US1986313A
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GB436761A
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US2220005A
Cited
FR851026A
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US2346313A
Cited
US2302719A
Cited
US2302720A
Cited
US2468833A
Cited
US2506952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |