Patent US3219136A successfully refreshed from Google Patents.
US3219136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air cushion spray deflector
Assignee: Vinters Armstrongs Ltd
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Filing: 1962-07-19
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Granted: 1965-11-23
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Expires: 1982-07-19
Abstract
No abstract record available.
Inventors
- 👤 Caiger Bernard
- 👤 Bennison Michael Jeremy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:57
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN A VEHICLE INCLUDING A VEHICLE BODY AND ADAPTED TO RIDE ON AN AIR CUSHION FROM THE UNDERSIDE OF WHICH AIR ESCAPES WHEN THE VEHICLE IS IN USE CAUSING PARTICVLES AND THE LIKE TO RISE FROM THE SURFACE OVER WHICH THE VEHICLE TRAVELS, AND MEANS LOCATED ALONG AT LEAST ONE SIDE OF THE VEHICLE BODY FOR DEFLECTING SAID RISING PARTICLES AND THE LIKE, THE IMPROVEMENT IN WHICH EACH SUCH DEFLECTING MEANS IS CONCAVE ON ITS UNDFERSIDE AND MOUNTED IN SPACED RELATION TO THE BODY OF THE VEHICLE, THE CONCAVE UNDERSIDE OF SAID DEFLECTING MEANS DEFLECTING RISING PARTICLES AND THE LIKE DOWNWARDLY, AND EACH DEFLECTING MEANS HAVING A SHAPE AND BEING DISPOSED IN SUCH A POSITION THAT UPON FORWARD MOTION OF THE VEHICLE, AIR FLOWS OVER ITS SURFACES IN SUCH A WAY THAT THE OCCURRENCE OF A NEGATIVE PRESSURE ON THE UNDERSIDE OF THE DEFLECTING MEANS IS AVOIDED.
Claim 2
Dependent Claim
147 words
IN A VEHICLE INCLUDING A VEHICLE BODY AND ADAPTED TO RIDE ON AN AIR CUSHION FROM THE UNDERSIDE OF WHICH AIR ESCAPES WHEN THE VEHICLE IS IN USE CAUSING PARTICVLES AND THE LIKE TO RISE FROM THE SURFACE OVER WHICH THE VEHICLE TRAVELS, AND MEANS LOCATED ALONG AT LEAST ONE SIDE OF THE VEHICLE BODY FOR DEFLECTING SAID RISING PARTICLES AND THE LIKE, THE IMPROVEMENT IN WHICH EACH SUCH DEFLECTING MEANS IS CONCAVE ON ITS UNDFERSIDE AND MOUNTED IN SPACED RELATION TO THE BODY OF THE VEHICLE, THE CONCAVE UNDERSIDE OF SAID DEFLECTING MEANS DEFLECTING RISING PARTICLES AND THE LIKE DOWNWARDLY, AND EACH DEFLECTING MEANS HAVING A SHAPE AND BEING DISPOSED IN SUCH A POSITION THAT UPON FORWARD MOTION OF THE VEHICLE, AIR FLOWS OVER ITS SURFACES IN SUCH A WAY THAT THE OCCURRENCE OF A NEGATIVE PRESSURE ON THE UNDERSIDE OF THE DEFLECTING MEANS IS AVOIDED.
References Cited (Backward Citations)
US2953321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |