Patent US3211247A successfully refreshed from Google Patents.
US3211247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suspension system for surface effect ships
Assignee: Individual
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Filing: 1963-03-25
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Granted: 1965-10-12
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Expires: 1983-03-25
Abstract
No abstract record available.
Inventors
- 👤 Scott C Rethorst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:48
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/04; B60V1/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A SUSPENSION SYSTEM FOR GEM''S, MEANS DEFINING A PRESSURE CHAMBER OF VARIABLE VOLUME, AND INCLUDING A MEMBER DISPOSED UNDERNEATH SAID GEM, SAID MEMBER BEING CAPABLE OF MOVING RELATIVE TO SAID GEM TOWARDS AND AWAY THEREFROM THEREBY CHANGING THE VOLUME OF SAID CHAMBER; MEANS INCLUDING MOVABLE NOZZLE MEANS FOR DIRECTING PRESSURIZED AIR FROM SAID GEM TOWARD THE SURFACE UNDERNEATH THEREOF AND ESTABLISHING A PRESSURE CUSHION UNDERNEATH SAID GEM AND SAID MEMBER, THE POSITION OF SAID MEMBER AT ANY INSTANT BEING DETERMINED BY THE PRESSURE BALANCE BETWEEN THE PRESSURE IN SAID CHAMBER AND THE PRESSURE OF SAID CUSHION UNDERNEATH SAID MEMBER; AND MEANS FOR COUPLING SAID MEMBER DIRECTLY TO SAID MOVABLE NOZZLE MEANS SO THAT SAID NOZZLE MEANS FOLLOW THE MOVEMENT OF SAID MEMBER TO CHANGE THE DISTANCE OF SAID NOZZLE MEANS FROM SAID GEM IN RESPONSE TO VARIATIONS OF SAID PRESSURE BALANCE.
Claim 2
Dependent Claim
142 words
IN A SUSPENSION SYSTEM FOR GEM''S, MEANS DEFINING A PRESSURE CHAMBER OF VARIABLE VOLUME, AND INCLUDING A MEMBER DISPOSED UNDERNEATH SAID GEM, SAID MEMBER BEING CAPABLE OF MOVING RELATIVE TO SAID GEM TOWARDS AND AWAY THEREFROM THEREBY CHANGING THE VOLUME OF SAID CHAMBER; MEANS INCLUDING MOVABLE NOZZLE MEANS FOR DIRECTING PRESSURIZED AIR FROM SAID GEM TOWARD THE SURFACE UNDERNEATH THEREOF AND ESTABLISHING A PRESSURE CUSHION UNDERNEATH SAID GEM AND SAID MEMBER, THE POSITION OF SAID MEMBER AT ANY INSTANT BEING DETERMINED BY THE PRESSURE BALANCE BETWEEN THE PRESSURE IN SAID CHAMBER AND THE PRESSURE OF SAID CUSHION UNDERNEATH SAID MEMBER; AND MEANS FOR COUPLING SAID MEMBER DIRECTLY TO SAID MOVABLE NOZZLE MEANS SO THAT SAID NOZZLE MEANS FOLLOW THE MOVEMENT OF SAID MEMBER TO CHANGE THE DISTANCE OF SAID NOZZLE MEANS FROM SAID GEM IN RESPONSE TO VARIATIONS OF SAID PRESSURE BALANCE.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |