US3089331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pitot static tester
Assignee: Intercontinental Dynamics Corp
•
Filing: 1961-01-23
•
Granted: 1963-05-14
•
Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Sharko Sam
- 👤 Salem Joshua
- 👤 Jr John H Andresen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:57
CPC Classifications
G; G01; G01L; G01L27/00; G01L27/002; G01L27/005; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
AN AIR DATA CALIBRATOR COMPRISING A FIRST AND A SECOND MANIFOLD, A FIRST MEANS FOR ESTABLISHING A FIRST PRESSURE IN SAID FIRST MANIFOLD, A SECOND MEANS FOR ESTABLISHING A SECOND PRESSURE IN SAID SECOND MANIFOLD, FIRST SERVO MEANS FOR MAINTAINING SAID FIRST PRESSURE REFERENCED TO A VACUUM, SECOND SERVO MEANS FOR MAINTAINING SAID SECOND PRESSURE REFERENCED TO SAID FIRST PRESSURE.
Claim 2
Dependent Claim
60 words
AN AIR DATA CALIBRATOR COMPRISING A FIRST AND A SECOND MANIFOLD, A FIRST MEANS FOR ESTABLISHING A FIRST PRESSURE IN SAID FIRST MANIFOLD, A SECOND MEANS FOR ESTABLISHING A SECOND PRESSURE IN SAID SECOND MANIFOLD, FIRST SERVO MEANS FOR MAINTAINING SAID FIRST PRESSURE REFERENCED TO A VACUUM, SECOND SERVO MEANS FOR MAINTAINING SAID SECOND PRESSURE REFERENCED TO SAID FIRST PRESSURE.
References Cited (Backward Citations)
US2418388A
Cited
US2857131A
Cited
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 |