Patent US3209847A successfully refreshed from Google Patents.
US3209847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray suppressor for air cushion vehicles
Assignee: Individual
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Filing: 1962-08-01
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Granted: 1965-10-05
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Melville W Beardsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:12
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/04; B60V1/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN AIR CUSHION VEHICLE WITH A SPRAY SUPPRESSOR COMPRISING A PLENUM SHELL, MEANS FOR BLOWING AIR INTO SAID SHELL AND EXHAUSTING THE AIR IN A SUBSTANTIALLY DOWNWARD DIRECTION FROM SAID SHELL, SAID PLENUM SHELL HAVING AN UPPER SURFACE, A DEPENDING WALL CONNECTED TO SAID UPPER SURFACE, AND A FLEXIBLE MEMBRANE ON THE OUTSIDE OF SAID DEPENDING WALL HAVING AN UPPER EDGE ATTACHED TO SAID WALL, AND A LOWER EDGE SUBSTANTIALLY IN THE PLANE OF THE LOWER EDGE OF SAID DEPENDING WALL WHEN IN A FREE CONDITION NOT BEING DEFLECTED OUTWARD BY AIR FLOW ISSUING FROM UNDER SAID SHELL.
Claim 2
Dependent Claim
98 words
AN AIR CUSHION VEHICLE WITH A SPRAY SUPPRESSOR COMPRISING A PLENUM SHELL, MEANS FOR BLOWING AIR INTO SAID SHELL AND EXHAUSTING THE AIR IN A SUBSTANTIALLY DOWNWARD DIRECTION FROM SAID SHELL, SAID PLENUM SHELL HAVING AN UPPER SURFACE, A DEPENDING WALL CONNECTED TO SAID UPPER SURFACE, AND A FLEXIBLE MEMBRANE ON THE OUTSIDE OF SAID DEPENDING WALL HAVING AN UPPER EDGE ATTACHED TO SAID WALL, AND A LOWER EDGE SUBSTANTIALLY IN THE PLANE OF THE LOWER EDGE OF SAID DEPENDING WALL WHEN IN A FREE CONDITION NOT BEING DEFLECTED OUTWARD BY AIR FLOW ISSUING FROM UNDER SAID SHELL.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |