Patent US1864866A successfully refreshed from Google Patents.
US1864866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water treating and storage apparatus
Assignee: T W SNOW CONSTRUCTION CO
•
Filing: 1929-04-24
•
Granted: 1932-06-28
•
Expires: 1949-04-24
Abstract
No abstract record available.
Inventors
- 👤 Barton S Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:40
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/02
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) | 1935-06-28 | 1935-12-28 | 1936-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-28 | 1939-12-28 | 1940-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-28 | 1943-12-28 | 1944-06-28 | $7700.00 | Window Closed / Lapsed |