Patent US2484337A successfully refreshed from Google Patents.
US2484337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic machine
Assignee: Oilgear Co
•
Filing: 1943-05-01
•
Granted: 1949-10-11
•
Expires: 1963-05-01
Abstract
No abstract record available.
Inventors
- 👤 Ferris Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:45
CPC Classifications
F; F01; F01B; F01B13/00; F01B13/04; F01B13/06; F01B13/061; F01B13/063; F01B13/065; F01B1/00; F01B1/06; F01B1/0641; F01B1/0648; F01B1/0675; F01B1/0686; F01B1/0689; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435; F03C1/0444; F04; F04B; F04B23/00; F04B23/04; F04B23/08; F04B23/10; F04B23/103; F04B23/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1910581A
Cited
US1978441A
Cited
US1978480A
Cited
US1877091A
Cited
US1995756A
Cited
US2186556A
Cited
US2214390A
Cited
US2238062A
Cited
US2273468A
Cited
US2295833A
Cited
US2366388A
Cited
US2397314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |