Patent US3536155A successfully refreshed from Google Patents.
US3536155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground-effect vehicle or other movable body
Assignee: Bertin Technologies SAS
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Filing: 1965-10-20
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Granted: 1970-10-27
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Expires: 1985-10-20
Abstract
Abstract From the elongated platform of an air-cushion vehicle depend a plurality of cushion containing skirts alined behind each other in two parallel rows on opposite sides of the longitudinal axis, with each skirt of one row being paired with a corresponding skirt of the other row at a same longitudinal level along said rows. Two lift fans are fitted on the platform at a same longitudinal level and on both sides of the longitudinal axis. The discharge of each fan is fractionated and connected via a ramified ducting to the individual skirt contained cushions of the row on the same side as said fan.
Inventors
- 👤 Jean H Bertin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:38
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/04; B60V1/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A GROUND EFFECT VEHICLE COMPRISING A HORIZONTAL SUPPORT FRAME WHICH IS INTENDED TO TRAVEL ACROSS A SURFACE IN SPACED SUBSTANTIALLY PARALLEL RELATIONSHIP THERETO, AND COMPRISING: DOWNWARDLY PROJECTING WALL MEANS DEFINING AT LEAST THREE LATERALLY DISPOSED NONCOMMUNICATING PLENUM CHAMBERS EACH HAVING AN OPEN LOWER DISCHARGE OPENING ADJACENT TO SAID SURFACE AND AN INLET OPENING SPACED FROM SAID DISCHARGE OPENING FOR ADMITTING A FLUID STREAM FROM A DUCTED FAN DISCHARGE FLOW INTO SAID PLENUM CHAMBERS, A DUCTED FAN COMPRISING A ROTARY FLUID IMPELLER SURROUNDED BY A SHROUD, SAID IMPELLER INCLUDING LEADING AND TRAILING EDGES, AT LEAST THREE
Claim 2
Dependent Claim
95 words
A GROUND EFFECT VEHICLE COMPRISING A HORIZONTAL SUPPORT FRAME WHICH IS INTENDED TO TRAVEL ACROSS A SURFACE IN SPACED SUBSTANTIALLY PARALLEL RELATIONSHIP THERETO, AND COMPRISING: DOWNWARDLY PROJECTING WALL MEANS DEFINING AT LEAST THREE LATERALLY DISPOSED NONCOMMUNICATING PLENUM CHAMBERS EACH HAVING AN OPEN LOWER DISCHARGE OPENING ADJACENT TO SAID SURFACE AND AN INLET OPENING SPACED FROM SAID DISCHARGE OPENING FOR ADMITTING A FLUID STREAM FROM A DUCTED FAN DISCHARGE FLOW INTO SAID PLENUM CHAMBERS, A DUCTED FAN COMPRISING A ROTARY FLUID IMPELLER SURROUNDED BY A SHROUD, SAID IMPELLER INCLUDING LEADING AND TRAILING EDGES, AT LEAST THREE
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |