Patent US3449171A successfully refreshed from Google Patents.
US3449171A
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US
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Method of making an encapsulated dry battery
Assignee: WER MVL 1998 Ltd
•
Filing: 1967-10-19
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Granted: 1969-06-10
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Expires: 1987-10-19
Abstract
No abstract record available.
Inventors
- 👤 Geoffrey Peter Knight
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:32
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/42; H01M6/46; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2272969A
Cited
US2519052A
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US2975482A
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US2793334A
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US2713700A
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US3076052A
Cited
US3003012A
Cited
US3265797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |