US3089677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dump valves for aircraft
Assignee: Individual
•
Filing: 1959-08-25
•
Granted: 1963-05-14
•
Expires: 1979-08-25
Abstract
No abstract record available.
Inventors
- 👤 Robert E Savaria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:30
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/34; F16K1/44; B; B64; B64D; B64D1/00; B64D1/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759; Y10T137/86791; Y10T137/86799
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
IN DUMP VALVES: A TUBE SECURED TO THE OUTER SURFACE OF A HOUSING FOR A DUMP VALVE IN AXIAL ALIGNMENT WITH A HOLE THROUGH SAID HOUSING, SAID TUBE HAVING A LONGITUDINAL SLOT DIAMETRICALLY DISPOSED THERETHROUGH NEAR ITS OPPOSITE END; A COMPLEMENTARY ROD SLIDABLY MOUNTED IN SAID TUBE, SAID ROD PROJECTING ABOVE SAID DIAMETRICALLY DISPOSED SLOT THROUGH SAID TUBE AND SECURED AT ITS OTHER END TO THE HUB OF A HOLLOW CYLINDRICAL SLEEVE VALVE IN SAID HOUSING, SAID SLEEVE VALVE HAVING RADIALLY SEGMENTED COMPARTMENTS; DOUBLE ACTING HYDRAULIC ACTUATING MEANS SECURED NEAR THE SLOTTED END OF SAID TUBE; AND THE LINKS PIVOTALLY MOUNTED ON SAID TUBE CONNECTING SAID SLIDABLE ROD AND SAID HYDRAULIC ACTUATING MEANS.
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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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |