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US2461325A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrolytic water purifier

Assignee: Individual
•
Filing: 1944-03-09
•
Granted: 1949-02-08
•
Expires: 1964-03-09
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Abstract

No abstract record available.

Inventors

  • 👤 Theodore C Jones

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 18:14
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)

US435518A Cited
US629092A Cited
US685176A Cited
US779326A Cited
US999108A Cited
US1646736A Cited
US1705197A Cited
US2204823A Cited
US2058370A Cited
US2193667A Cited
US2337151A Cited
US2321796A Cited
US2348882A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-02-08 1952-08-09 1953-02-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-02-08 1956-08-09 1957-02-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-02-08 1960-08-09 1961-02-08 $7700.00 Window Closed / Lapsed

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