Patent US3759281A successfully refreshed from Google Patents.
Patent US2996045A successfully refreshed from Google Patents.
US2996045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time modulated hydraulic servo valve
Assignee: Honeywell Inc
•
Filing: 1959-07-16
•
Granted: 1961-08-15
•
Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Robert V Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:58
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B11/15; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86614
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2223792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |