US2483672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water treating apparatus
Assignee: Worthington Pump and Machinery Corp
•
Filing: 1944-01-08
•
Granted: 1949-10-04
•
Expires: 1964-01-08
Abstract
No abstract record available.
Inventors
- 👤 Merrill P Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:40
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/5281
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US976148A
Cited
US1035813A
Cited
US1030366A
Cited
US1971338A
Cited
US2130417A
Cited
US2245587A
Cited
US2240182A
Cited
US2234561A
Cited
US2317847A
Cited
US2314977A
Cited
US2365293A
Cited
US2355561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |