Patent US823671A successfully refreshed from Google Patents.
US823671A
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Electric water-purifier.
Assignee: E E SAGER
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Filing: 1906-04-10
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Granted: 1906-06-19
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Expires: 1926-04-10
Abstract
No abstract record available.
Inventors
- 👤 Albert E Dieterich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:38
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/463; C02F1/46104; C02F1/46109; C02F2001/46119; C02F2001/46123; C02F2001/46133; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/4611; C02F2301/00; C02F2301/02; C02F2301/026; Y; Y10; Y10S; Y10S204/00; Y10S204/07
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) | 1909-06-18 | 1909-12-18 | 1910-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-06-18 | 1913-12-18 | 1914-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-06-18 | 1917-12-18 | 1918-06-19 | $7700.00 | Window Closed / Lapsed |