US2965036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic dual pump single-multiple stage low-high pressure fluid supply means
Assignee: Individual
•
Filing: 1957-07-08
•
Granted: 1960-12-20
•
Expires: 1977-07-08
Abstract
No abstract record available.
Inventors
- 👤 Louis S Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:55
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2255560A
Cited
US2655109A
Cited
FR994357A
Cited
US2599701A
Cited
US2526964A
Cited
US2665637A
Cited
US2626570A
Cited
US2780172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |