US2562764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system for controlling delivery to motors of differing capacities
Assignee: Dowty Equipment Ltd
•
Filing: 1949-05-02
•
Granted: 1951-07-31
•
Expires: 1969-05-02
Abstract
No abstract record available.
Inventors
- 👤 Bowers Eric Hider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:54
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/16; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/212; F15B2211/40; F15B2211/405; F15B2211/40507; F15B2211/415; F15B2211/41527; F15B2211/46; F15B2211/50; F15B2211/505; F15B2211/50509; F15B2211/50536; F15B2211/50554; F15B2211/55; F15B2211/555; F15B2211/70; F15B2211/75
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) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |