US3208666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circular piston engine
Assignee: Beteiligungs und Patentverwaltungs GmbH
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Filing: 1963-01-14
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Granted: 1965-09-28
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Expires: 1983-01-14
Abstract
No abstract record available.
Inventors
- 👤 Fezer Eberhard
- 👤 Frese Fritz
- 👤 Hejj Erwin
- 👤 Simon Oskar
- 👤 Schmid Christian
- 👤 Einbeck Harro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:32
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
119 words
A CIRCULAR PISTON MACHINE, WHICH COMPRISES: A HOUSING, A ROTATABLE SHAFT ROTATABLY SUPPORTED BY SAID HOUSING, SAID SHAFT BEING PROVIDED WITH AN ECCENTRIC WITHIN SAID HOUSING, A ROTOR ROTATABLY ARRANGED ON SAID ECCENTRIC AND TOGETHER WITH SAID HOUSING CONFINING WORKING CHAMBERS, FIRST GEAR MEANS CONNECTED TO SAID ROTOR, SECOND GEAR MEANS CONNECTED TO SAID ROTATABLE SHAFT, A FIRST GROUP OF ROTATABLY INTERCONNECTED GEARS HAVING ONE GEAR SUPPORTED BY SAID ROTATABLE SHAFT AND ROTATABLE RELATIVE THERETO, SAID ONE GEAR BEING IN MESH WITH SAID FIRST GEAR MEANS, AND A SECOND GROUP OF ROTATABLY INTERCONNECTED GEARS HAVING ONE GEAR IN MESH WITH SAID SECOND GEAR MEANS, TWO OTHER GEARS RESPECTIVELY PERTAINING TO SAID TWO GROUPS BEING DRIVINGLY CONNECTED TO EACH OTHER.
Claim 2
Dependent Claim
119 words
A CIRCULAR PISTON MACHINE, WHICH COMPRISES: A HOUSING, A ROTATABLE SHAFT ROTATABLY SUPPORTED BY SAID HOUSING, SAID SHAFT BEING PROVIDED WITH AN ECCENTRIC WITHIN SAID HOUSING, A ROTOR ROTATABLY ARRANGED ON SAID ECCENTRIC AND TOGETHER WITH SAID HOUSING CONFINING WORKING CHAMBERS, FIRST GEAR MEANS CONNECTED TO SAID ROTOR, SECOND GEAR MEANS CONNECTED TO SAID ROTATABLE SHAFT, A FIRST GROUP OF ROTATABLY INTERCONNECTED GEARS HAVING ONE GEAR SUPPORTED BY SAID ROTATABLE SHAFT AND ROTATABLE RELATIVE THERETO, SAID ONE GEAR BEING IN MESH WITH SAID FIRST GEAR MEANS, AND A SECOND GROUP OF ROTATABLY INTERCONNECTED GEARS HAVING ONE GEAR IN MESH WITH SAID SECOND GEAR MEANS, TWO OTHER GEARS RESPECTIVELY PERTAINING TO SAID TWO GROUPS BEING DRIVINGLY CONNECTED TO EACH OTHER.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |