Patent US3356291A successfully refreshed from Google Patents.
US3356291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary piston machine
Assignee: Individual
•
Filing: 1965-10-06
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Granted: 1967-12-05
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Expires: 1985-10-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:28
CPC Classifications
F; F02; F02B; F02B53/00; F02B2053/005; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A ROTARY MACHINE FOR USE AS A COMBUSTION ENGINE, PUMP OR MOTOR COMPRISING: AN OUTER BODY WITH A LONGITUDINAL AXIS HAVING A PERIPHERAL WALL AND A PAIR OF AXIALLY-SPACED END WALLS FORMING A CAVITY THEREBETWEEN; AND INNER BODY DISPOSED IN SAID CAVITY FORMING A PLURALITY OF PERIPHERALLY-SPACED, VARIABLE-VOLUME CHAMBERS THEREBETWEEN AND HAVING AN AXIS ARRANGED PARALLEL TO SAID OUTER BODY AXIS; GEAR MEANS ENGAGING SAID INNER BODY AND SAID OUTER BODY FOR ROTATING SAID INNER BODY AXIS; AND SHAFT MEANS MOUNTED ON SAID OUTER BODY COAXIALLY THEREWITH A VARIABLE-OFFSET ECCENTRIC PORTION ON WHICH SAID INNER BODY IS JOURNALED COAXIALLY THEREWITH FOR REVOLVING SAID INNER BODY ABOUT SAID OUTER BODY AXIS AND FOR VARYING THE OFFSET DISTANCE BETWEEN SAID INNER BODY AXIS AND SAID OUTER BODY AXIS AND IN WHICH SAID OUTER BODY PERIPHERAL WALL HAS A RADIALLY
Claim 2
Dependent Claim
137 words
A ROTARY MACHINE FOR USE AS A COMBUSTION ENGINE, PUMP OR MOTOR COMPRISING: AN OUTER BODY WITH A LONGITUDINAL AXIS HAVING A PERIPHERAL WALL AND A PAIR OF AXIALLY-SPACED END WALLS FORMING A CAVITY THEREBETWEEN; AND INNER BODY DISPOSED IN SAID CAVITY FORMING A PLURALITY OF PERIPHERALLY-SPACED, VARIABLE-VOLUME CHAMBERS THEREBETWEEN AND HAVING AN AXIS ARRANGED PARALLEL TO SAID OUTER BODY AXIS; GEAR MEANS ENGAGING SAID INNER BODY AND SAID OUTER BODY FOR ROTATING SAID INNER BODY AXIS; AND SHAFT MEANS MOUNTED ON SAID OUTER BODY COAXIALLY THEREWITH A VARIABLE-OFFSET ECCENTRIC PORTION ON WHICH SAID INNER BODY IS JOURNALED COAXIALLY THEREWITH FOR REVOLVING SAID INNER BODY ABOUT SAID OUTER BODY AXIS AND FOR VARYING THE OFFSET DISTANCE BETWEEN SAID INNER BODY AXIS AND SAID OUTER BODY AXIS AND IN WHICH SAID OUTER BODY PERIPHERAL WALL HAS A RADIALLY
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |