Patent US2490630A successfully refreshed from Google Patents.
US2490630A
Expired / Lapsed
US
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Storage battery plate and retainer construction
Assignee: Exide Technologies LLC
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Filing: 1944-10-03
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Granted: 1949-12-06
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Expires: 1964-10-03
Abstract
No abstract record available.
Inventors
- 👤 Jardine Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:44
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/471; H01M50/474; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1055366A
Cited
US1088210A
Cited
US1937405A
Cited
US1641842A
Cited
US1966237A
Cited
US2014390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |