US766146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of purifying water.
Assignee: OMAR H JEWELL
•
Filing: 1903-01-26
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Granted: 1904-07-26
•
Expires: 1923-01-26
Abstract
No abstract record available.
Inventors
- 👤 William M Jewell
- 👤 Willford J Mcgee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:00
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/463
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) | 1907-07-26 | 1908-01-25 | 1908-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-07-26 | 1912-01-25 | 1912-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-07-26 | 1916-01-25 | 1916-07-26 | $7700.00 | Window Closed / Lapsed |