US3294071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion rotary piston engine
Assignee: Individual
•
Filing: 1964-02-21
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Granted: 1966-12-27
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Expires: 1984-02-21
Abstract
No abstract record available.
Inventors
- 👤 Turco Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:17
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/02; F01C1/063; F02; F02B; F02B53/00; F02B2730/00; F02B2730/03; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
AN INTERNAL COMBUSTION SPHERICAL ENGINE WITH ROTARY PISTONS, INCLUDING A CASING HAVING A SPHERICAL CHAMBER THEREIN, SAID CASING BEING FORMED OF TWO PARTS EACH HAVING A HALF SPHERE, THE AXIS OF SAID CHAMBER PASSING THROUGH THE CENTER THEREOF AND BEING NORMAL TO THE PLANE OF INTERSECTION OF SAID TWO CASING PARTS, BEARING PLACED IN THE CENTER OF EACH CASING PART AND ALIGNED WITH SAID AXIS, EACH CASING PART HAVING TWO APERTURES, EACH APERTURE IN ONE CASING PART BEING DIAMETRICALLY OPPOSED TO AN APERTURE IN THE OTHER CASING PART, TWO PAIRS OF PISTONS DISPOSED IN SAID CHAMBER FOR ROTATION ABOUT SAID AXIS WITH EACH PISTON OF ONE PAIR BEING INTERMEDIATE THE OTHER PAIR OF PISTONS, TWO COAXIAL SHAFTS EXTENDING ALONG SAID AXIS INTO SAID CHAMBER, ONE PAIR OF PISTONS BEING CONNECTED TO ONE OF SAID SHAFTS AND THE OTHER PAIR OF PISTONS BEING CONNECTED TO THE OTHER OF SAID SHAFTS, SAID SHAFTS EXTENDIND OUT OF SAID CHAMBER WITH ONE SHAFT CONNECTED TO ONE GEAR OF A DIFFERENTIAL AND THE OTHER SHAFT CONNECTED TO THE OPPO-
Claim 2
Dependent Claim
174 words
AN INTERNAL COMBUSTION SPHERICAL ENGINE WITH ROTARY PISTONS, INCLUDING A CASING HAVING A SPHERICAL CHAMBER THEREIN, SAID CASING BEING FORMED OF TWO PARTS EACH HAVING A HALF SPHERE, THE AXIS OF SAID CHAMBER PASSING THROUGH THE CENTER THEREOF AND BEING NORMAL TO THE PLANE OF INTERSECTION OF SAID TWO CASING PARTS, BEARING PLACED IN THE CENTER OF EACH CASING PART AND ALIGNED WITH SAID AXIS, EACH CASING PART HAVING TWO APERTURES, EACH APERTURE IN ONE CASING PART BEING DIAMETRICALLY OPPOSED TO AN APERTURE IN THE OTHER CASING PART, TWO PAIRS OF PISTONS DISPOSED IN SAID CHAMBER FOR ROTATION ABOUT SAID AXIS WITH EACH PISTON OF ONE PAIR BEING INTERMEDIATE THE OTHER PAIR OF PISTONS, TWO COAXIAL SHAFTS EXTENDING ALONG SAID AXIS INTO SAID CHAMBER, ONE PAIR OF PISTONS BEING CONNECTED TO ONE OF SAID SHAFTS AND THE OTHER PAIR OF PISTONS BEING CONNECTED TO THE OTHER OF SAID SHAFTS, SAID SHAFTS EXTENDIND OUT OF SAID CHAMBER WITH ONE SHAFT CONNECTED TO ONE GEAR OF A DIFFERENTIAL AND THE OTHER SHAFT CONNECTED TO THE OPPO-
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |