US2685025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic device
Assignee: Individual
•
Filing: 1948-03-17
•
Granted: 1954-07-27
•
Expires: 1968-03-17
Abstract
No abstract record available.
Inventors
- 👤 Iii Elihu Root
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:26
CPC Classifications
H; H01; H01G; H01G11/00; H01G11/02; G; G01; G01F; G01F1/00; G01F1/56; G01F1/64; H01G9/00; H01G9/22; Y; Y02; Y02E; Y02E60/00; Y02E60/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE483166C
Cited
US962014A
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US962015A
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US974838A
Cited
FR387983A
Cited
US929371A
Cited
US1329761A
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US1808709A
Cited
US2384463A
Cited
US2350378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |