US2490635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined strainer and magnetic separator
Assignee: Individual
•
Filing: 1946-11-29
•
Granted: 1949-12-06
•
Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 Louis A Kisch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:04
CPC Classifications
B; B03; B03C; B03C1/00; B03C1/02; B03C1/025; B03C1/031; B03C1/033; B03C1/0332
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1425366A
Cited
US1566088A
Cited
US1806002A
Cited
US2149764A
Cited
US2317774A
Cited
US2430157A
Cited
US2392624A
Cited
US2437221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |