US2061343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid purifier
Assignee: Individual
•
Filing: 1934-05-26
•
Granted: 1936-11-17
•
Expires: 1954-05-26
Abstract
No abstract record available.
Inventors
- 👤 Bichler Charles Henri
- 👤 Eyssartier Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:17
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/16; B01D29/00; B01D29/11; B01D29/114; B01D29/39; B01D29/41; B01D29/88; B01D29/90; B01D29/902; B01D35/14; B01D35/153; B01D35/30; B01D2201/00; B01D2201/31; B01D2201/313; B01D2201/44
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) | 1939-11-17 | 1940-05-18 | 1940-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-17 | 1944-05-18 | 1944-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-17 | 1948-05-18 | 1948-11-17 | $7700.00 | Window Closed / Lapsed |