Patent US2425424A successfully refreshed from Google Patents.
US2425424A
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US
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Electrolytic water purifier
Assignee: Individual
•
Filing: 1945-10-12
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Granted: 1947-08-12
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Expires: 1965-10-12
Abstract
No abstract record available.
Inventors
- 👤 Theodore C Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:27
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/46104; C02F1/46176
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US840335A
Cited
US1595147A
Cited
GB311882A
Cited
US2058370A
Cited
US2106004A
Cited
US2321797A
Cited
US2301546A
Cited
US2358981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-11 | 1951-02-10 | 1951-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-11 | 1955-02-10 | 1955-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-11 | 1959-02-10 | 1959-08-12 | $7700.00 | Window Closed / Lapsed |