US2368035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-purifying and softening device
Assignee: Individual
•
Filing: 1940-12-05
•
Granted: 1945-01-23
•
Expires: 1960-12-05
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:20
CPC Classifications
C; C02; C02F; C02F9/00; C02F9/20; B; B01; B01D; B01D35/00; B01D35/02; B01D35/04; C02F2307/00; C02F2307/06
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) | 1948-01-23 | 1948-07-24 | 1949-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-01-23 | 1952-07-24 | 1953-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-01-23 | 1956-07-24 | 1957-01-23 | $7700.00 | Window Closed / Lapsed |