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US2662108A
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Filling and venting means for electric batteries
Assignee: Chloride Electrical Storage Co Ltd
•
Filing: 1949-10-25
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Granted: 1953-12-08
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Expires: 1969-10-25
Abstract
No abstract record available.
Inventors
- 👤 Coates Archibald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:40
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/60; H01M50/609; H01M50/627; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1381298A
Cited
GB189616268A
Cited
US944079A
Cited
GB102999A
Cited
US1380770A
Cited
US1383411A
Cited
GB272013A
Cited
GB295516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |