US3244247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground effect modular platform system
Assignee: Douglas Aircraft Co Inc
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Filing: 1964-01-28
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Granted: 1966-04-05
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Expires: 1984-01-28
Abstract
No abstract record available.
Inventors
- 👤 Carl W Weiland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:35
CPC Classifications
B; B60; B60V; B60V3/00; B60V3/02; B60V3/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A MODULATOR GROUND EFFECT PLATFORM SYSTEM COMPRISING: AT LEAST ONE FLUID RESERVOIR PLENUM UNIT EACH DEFINED BY A HORIZONTALLY DISPOSED LOADING DECK, A LOWER ENCLOSING PANEL SPACED BELOW SAID DECK, SUBSTANTIALLY VERTICAL, ENCLOSING WALL MEMBERS DISPOSED BETWEEN SAID DECK AND PANEL ABOUT SUBSTANTIALLY THEIR PERIPHERIES; FAN AND FAN PROPULSION MEANS DISPOSED WITHIN THE OUTER BOUNDARIES OF EACH SAID AT LEAST ONE PLENUM UNIT FOR PRESSURIZING IT, AND FAN CONTROL MEANS COUPLED TO SAID FAN MEANS FOR AFFECTING THE MAGNITUDE OF LIFT DEVELOPED THEREBY, SAID LOWER ENCLOSING PANEL BEING PORTED TO DEFINE HORIZONTALLY ELONGATED DOWNWARDLY DIRECTED, SUPPORTING CUSHION DEVELOPING JET OUTPUTS DISPOSED CONTIGUOUSLY ALONG SAID ENCLOSING WALL MEMBERS, AT LEAST ONE OF SAID WALL MEMBERS OF EACH OF SAID AT LEAST ONE PLENUM UNIT BEING PORTED TO DEFINE AN OPENABLE AND CLOSEABLE TIE-IN OPENING COMMUNICATING FROM WITHIN SAID PLENUM UNIT THROUGH SAID ONE OF SAID WALL MEMBERS; MEANS FOR SUBSTANTIALLY COINCIDENTLLY CLOSING THE SAID HORIZONTALLY ELONGATED JET OUTPUTS DISPOSED CONTIGU-
Claim 2
Dependent Claim
159 words
A MODULATOR GROUND EFFECT PLATFORM SYSTEM COMPRISING: AT LEAST ONE FLUID RESERVOIR PLENUM UNIT EACH DEFINED BY A HORIZONTALLY DISPOSED LOADING DECK, A LOWER ENCLOSING PANEL SPACED BELOW SAID DECK, SUBSTANTIALLY VERTICAL, ENCLOSING WALL MEMBERS DISPOSED BETWEEN SAID DECK AND PANEL ABOUT SUBSTANTIALLY THEIR PERIPHERIES; FAN AND FAN PROPULSION MEANS DISPOSED WITHIN THE OUTER BOUNDARIES OF EACH SAID AT LEAST ONE PLENUM UNIT FOR PRESSURIZING IT, AND FAN CONTROL MEANS COUPLED TO SAID FAN MEANS FOR AFFECTING THE MAGNITUDE OF LIFT DEVELOPED THEREBY, SAID LOWER ENCLOSING PANEL BEING PORTED TO DEFINE HORIZONTALLY ELONGATED DOWNWARDLY DIRECTED, SUPPORTING CUSHION DEVELOPING JET OUTPUTS DISPOSED CONTIGUOUSLY ALONG SAID ENCLOSING WALL MEMBERS, AT LEAST ONE OF SAID WALL MEMBERS OF EACH OF SAID AT LEAST ONE PLENUM UNIT BEING PORTED TO DEFINE AN OPENABLE AND CLOSEABLE TIE-IN OPENING COMMUNICATING FROM WITHIN SAID PLENUM UNIT THROUGH SAID ONE OF SAID WALL MEMBERS; MEANS FOR SUBSTANTIALLY COINCIDENTLLY CLOSING THE SAID HORIZONTALLY ELONGATED JET OUTPUTS DISPOSED CONTIGU-
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) | 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 |