US2407018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-actuated control system
Assignee: Dowty Equipment Ltd
•
Filing: 1941-06-30
•
Granted: 1946-09-03
•
Expires: 1961-06-30
Abstract
No abstract record available.
Inventors
- 👤 Mackenzie Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:18
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/16; B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22; F15B2211/00; F15B2211/30; F15B2211/305; F15B2211/30505; F15B2211/32; F15B2211/327; F15B2211/60; F15B2211/615; F15B2211/63; F15B2211/6303; F15B2211/6336; F15B2211/6346; F15B2211/70; F15B2211/71; F15B2211/7114; F15B2211/7128
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-09-02 | 1950-03-04 | 1950-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-09-02 | 1954-03-04 | 1954-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-09-02 | 1958-03-04 | 1958-09-03 | $7700.00 | Window Closed / Lapsed |