US3266757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices for landing loads
Assignee: Bertin Technologies SAS
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Filing: 1964-12-03
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Granted: 1966-08-16
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Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 Guienne Paul Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/04; B60V3/00; B60V3/02; B64; B64D; B64D1/00; B64D1/02; B64D1/08; B64D1/14; F; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/0472
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN IMPROVED LOAD LANDING DEVICE COMPRISING IN COMBINATION A PLATFORM CAPABLE OF SUPPORTING A LOAD, AT LEAST ONE BALLOON OF FLEXIBLE FLUID PROOF MATERIAL LOCATED UNDER THE SAID PLATFORM AND FAST WITH IT, MEANS FOR INFLATING THE BALLOON WITH GAS, AT LEAST ONE SKIRT OF FLEXIBLE MATERIAL LOCATED BELOW THE BALLOON AND FAST WITH IT, SAID SKIRT BEING OPEN DOWNWARDS, AND MEANS FOR FEEDING GAS INTO THE SKIRT TO FORM AN AIR CUSHION WHEN THE OPEN END OF THE SKIRT IS ADJACENT THE GROUND.
Claim 2
Dependent Claim
84 words
AN IMPROVED LOAD LANDING DEVICE COMPRISING IN COMBINATION A PLATFORM CAPABLE OF SUPPORTING A LOAD, AT LEAST ONE BALLOON OF FLEXIBLE FLUID PROOF MATERIAL LOCATED UNDER THE SAID PLATFORM AND FAST WITH IT, MEANS FOR INFLATING THE BALLOON WITH GAS, AT LEAST ONE SKIRT OF FLEXIBLE MATERIAL LOCATED BELOW THE BALLOON AND FAST WITH IT, SAID SKIRT BEING OPEN DOWNWARDS, AND MEANS FOR FEEDING GAS INTO THE SKIRT TO FORM AN AIR CUSHION WHEN THE OPEN END OF THE SKIRT IS ADJACENT THE GROUND.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |