Patent US792426A successfully refreshed from Google Patents.
US792426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing purified water.
Assignee: KATHARINE CONOVER
•
Filing: 1903-06-09
•
Granted: 1905-06-13
•
Expires: 1923-06-09
Abstract
No abstract record available.
Inventors
- 👤 Gottlieb Knodler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:03
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/30; B01D1/305; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; Y; Y10; Y10S; Y10S203/00; Y10S203/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1908-06-12 | 1908-12-12 | 1909-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-06-12 | 1912-12-12 | 1913-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-06-12 | 1916-12-12 | 1917-06-13 | $7700.00 | Window Closed / Lapsed |