Patent US2418950A successfully refreshed from Google Patents.
US2418950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Settling tank
Assignee: Lakeside Engineering Corp
•
Filing: 1944-06-12
•
Granted: 1947-04-15
•
Expires: 1964-06-12
Abstract
No abstract record available.
Inventors
- 👤 John A Montgomery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:17
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/0018; B01D21/10; B01D21/12; B01D21/14; B01D21/24; B01D21/2405; B01D21/2411; B01D21/2427; B01D21/2444
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US748981A
Cited
US1662702A
Cited
US801330A
Cited
US819664A
Cited
US1357587A
Cited
US1526197A
Cited
US1703041A
Cited
US1815159A
Cited
US1831170A
Cited
US2021304A
Cited
US2051149A
Cited
US2155960A
Cited
US2291641A
Cited
US2272441A
Cited
US2264912A
Cited
US2322017A
Cited
US2369194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-14 | 1950-10-14 | 1951-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-14 | 1954-10-14 | 1955-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-14 | 1958-10-14 | 1959-04-15 | $7700.00 | Window Closed / Lapsed |