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US696209A
Expired / Lapsed
US
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Envelop for battery-electrodes.
Assignee: National Battery Co
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Filing: 1901-05-25
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Granted: 1902-03-25
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Expires: 1921-05-25
Abstract
No abstract record available.
Inventors
- 👤 Elmer A Sperry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:54
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/40; H01M50/463; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1905-03-24 | 1905-09-23 | 1906-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-03-24 | 1909-09-23 | 1910-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-03-24 | 1913-09-23 | 1914-03-25 | $7700.00 | Window Closed / Lapsed |