Patent US3144220A successfully refreshed from Google Patents.
US3144220A
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Control apparatus
Assignee: Individual
•
Filing: 1962-02-23
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Granted: 1964-08-11
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Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 Mathias H Kittelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:56
CPC Classifications
B; B64; B64C; B64C23/00; B64C2230/00; B64C2230/04; B64C2230/06; B64C2230/20; Y; Y02; Y02T; Y02T50/00; Y02T50/10; Y10; Y10S; Y10S415/00; Y10S415/914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN APPARATUS OF THE CLASS ABOVE DESCRIBED, A FLUID OUTLET COMPRISING A COVER MEMBER HINGEDLY FASTENED TO THE FORWARD EDGE OF AN OPENING IN A FLUIDFOIL AND MOVABLE BETWEEN A NORMALLY INOPERATIVE RETRACTED POSITION AND AN OPERATIVE EXTENDED POSITION ABOVE THE UPPER SURFACE OF SAID FLUIDFOIL; AND A SUBSTANTIALLY V-SHAPED FLUID DEFLECTOR POSITIONED ON THE LOWER SURFACE OF SAID MEMBER WITH THE APEX THEREOF POSITIONED IN A FORWARDLY EXTENDING DIRECTION WHEREBY THE FLOW OF FLUID THROUGH SAID OPENING TENDS TO FLOW IN DIRECTIONS PARALLEL TO THE LONGITUDINAL AXIS OF SAID FLUIDFOIL.
Claim 2
Dependent Claim
91 words
IN APPARATUS OF THE CLASS ABOVE DESCRIBED, A FLUID OUTLET COMPRISING A COVER MEMBER HINGEDLY FASTENED TO THE FORWARD EDGE OF AN OPENING IN A FLUIDFOIL AND MOVABLE BETWEEN A NORMALLY INOPERATIVE RETRACTED POSITION AND AN OPERATIVE EXTENDED POSITION ABOVE THE UPPER SURFACE OF SAID FLUIDFOIL; AND A SUBSTANTIALLY V-SHAPED FLUID DEFLECTOR POSITIONED ON THE LOWER SURFACE OF SAID MEMBER WITH THE APEX THEREOF POSITIONED IN A FORWARDLY EXTENDING DIRECTION WHEREBY THE FLOW OF FLUID THROUGH SAID OPENING TENDS TO FLOW IN DIRECTIONS PARALLEL TO THE LONGITUDINAL AXIS OF SAID FLUIDFOIL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |