Patent US2569640A successfully refreshed from Google Patents.
US2569640A
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Oscillating fluid pressure machine
Assignee: MOORE Inc
•
Filing: 1945-04-28
•
Granted: 1951-10-02
•
Expires: 1965-04-28
Abstract
No abstract record available.
Inventors
- 👤 Mercier Ernest
- 👤 Ehlinger Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:12
CPC Classifications
F; F04; F04C; F04C9/00; F03; F03C; F03C4/00; F04C2/00; F04C2/02; F04C2/063; F15; F15B; F15B15/00; F15B15/08; F15B15/12; F04C21/00
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |