US2063778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purifier for drinking water
Assignee: Individual
•
Filing: 1932-09-19
•
Granted: 1936-12-08
•
Expires: 1952-09-19
Abstract
No abstract record available.
Inventors
- 👤 Orrin E Andrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:03
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; A; A61; A61M; A61M5/00; A61M5/14; A61M5/165; C; C02; C02F; C02F1/00; C02F1/001; C02F1/003; G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N1/08; G01N2001/085
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) | 1939-12-08 | 1940-06-08 | 1940-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-12-08 | 1944-06-08 | 1944-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-12-08 | 1948-06-08 | 1948-12-08 | $7700.00 | Window Closed / Lapsed |