Patent US3249165A successfully refreshed from Google Patents.
US3249165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simplified nozzle control for ground effect machines
Assignee: Individual
•
Filing: 1961-09-06
•
Granted: 1966-05-03
•
Expires: 1981-09-06
Abstract
No abstract record available.
Inventors
- 👤 Jr Harvey R Chaplin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:16
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
AN AIR CUSHION PROVIDING NOZZLE FOR USE IN GROUND EFFECT MACHINES, SAID NOZZLE COMPRISING: FIRST AND SECOND SPACED WALL MEANS; A THIRD WALL MEANS DISPOSED BETWEEN SAID FIRST AND SECOND WALL MEANS AND DIVIDING THE SPACE THEREBETWEEN INTO FIRST AND SECOND FLOW PASSAGES OF SUBSTANTIALLY EQUAL SIZE, SAID THIRD WALL MEANS TERMINATING SHORT OF THE TERMINATIONS OF SAID FIRST AND SECOND WALL MEANS; SAID FIRST AND SECOND WALL MEANS HAVING EDGE PORTIONS DEFINING THEREBETWEEN A NOZZLE OPENING OF SUBSTANTIALLY THE SAME SIZE AS ONE OF SAID FLOW PASSAGES, THE EDGE PORTION OF ONE OF SAID FIRST AND SECOND WALL MEANS CONVERGING TOWARD THE EDGE PORTION OF THE OTHER OF SAID FIRST AND SECOND WALL MEANS TO DEFINE SAID NOZZLE OPENING; FIRST FIXED VANE MEANS DISPOSED IN SAID FIRST FLOW PASSAGE FOR DIRECTING FLUID FLOW THEREIN TO PROVIDE A COMPONENT OF HORIZONTAL THRUST IN A FIRST DIRECTION; SECOND FIXED VANE MEANS DISPOSED IN SAID SECOND FLOW PASSAGE FOR DIRECTING FLUID FLOW THEREIN TO PROVIDE A
Claim 2
Dependent Claim
164 words
AN AIR CUSHION PROVIDING NOZZLE FOR USE IN GROUND EFFECT MACHINES, SAID NOZZLE COMPRISING: FIRST AND SECOND SPACED WALL MEANS; A THIRD WALL MEANS DISPOSED BETWEEN SAID FIRST AND SECOND WALL MEANS AND DIVIDING THE SPACE THEREBETWEEN INTO FIRST AND SECOND FLOW PASSAGES OF SUBSTANTIALLY EQUAL SIZE, SAID THIRD WALL MEANS TERMINATING SHORT OF THE TERMINATIONS OF SAID FIRST AND SECOND WALL MEANS; SAID FIRST AND SECOND WALL MEANS HAVING EDGE PORTIONS DEFINING THEREBETWEEN A NOZZLE OPENING OF SUBSTANTIALLY THE SAME SIZE AS ONE OF SAID FLOW PASSAGES, THE EDGE PORTION OF ONE OF SAID FIRST AND SECOND WALL MEANS CONVERGING TOWARD THE EDGE PORTION OF THE OTHER OF SAID FIRST AND SECOND WALL MEANS TO DEFINE SAID NOZZLE OPENING; FIRST FIXED VANE MEANS DISPOSED IN SAID FIRST FLOW PASSAGE FOR DIRECTING FLUID FLOW THEREIN TO PROVIDE A COMPONENT OF HORIZONTAL THRUST IN A FIRST DIRECTION; SECOND FIXED VANE MEANS DISPOSED IN SAID SECOND FLOW PASSAGE FOR DIRECTING FLUID FLOW THEREIN TO PROVIDE A
References Cited (Backward Citations)
FR1240721A
Cited
US3073549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |