Patent US3243990A successfully refreshed from Google Patents.
US3243990A
Expired / Lapsed
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Pitot static tester
Assignee: Intercontinental Dynamics Corp
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Filing: 1962-05-17
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Granted: 1966-04-05
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Expires: 1982-05-17
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Andresen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:30
CPC Classifications
G; G01; G01P; G01P21/00; G01P21/02; G01P21/025; B; B27; B27M; B27M3/00; B27M3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A DEVICE OF ATHE CLASS DESCRIBED COMPRISING A MANIFOLD; MEANS FOR ESTABLISHING A PRESSURE WITHIN SAID MANIFOLD; ELECTRICALLY OPERATED CONTROL VALVE MEANS CONNECTED TO SAID MANIFOLD; A SERVO MEANS FOR MAINTAINING SAID PRESSURE AT A SELECTED VALUE; SAID SERVO MEANS INCLUDING A DEVICE FOR GENERATING AN ELECTRICAL CORRETION SIGNAL; ADDITIONAL MEANS FOR GENERATING AN ELECTRICAL CONTROLLED OSCILLATION SIGNAL, MEAND COMBINING SAID CORRECTION SIG-
Claim 2
Independent Claim
63 words
A DEVICE OF ATHE CLASS DESCRIBED COMPRISING A MANIFOLD; MEANS FOR ESTABLISHING A PRESSURE WITHIN SAID MANIFOLD; ELECTRICALLY OPERATED CONTROL VALVE MEANS CONNECTED TO SAID MANIFOLD; A SERVO MEANS FOR MAINTAINING SAID PRESSURE AT A SELECTED VALUE; SAID SERVO MEANS INCLUDING A DEVICE FOR GENERATING AN ELECTRICAL CORRETION SIGNAL; ADDITIONAL MEANS FOR GENERATING AN ELECTRICAL CONTROLLED OSCILLATION SIGNAL, MEAND COMBINING SAID CORRECTION SIG-
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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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |