Patent US3203405A successfully refreshed from Google Patents.
US3203405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine
Assignee: Individual
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Filing: 1962-01-30
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Granted: 1965-08-31
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Expires: 1982-01-30
Abstract
No abstract record available.
Inventors
- 👤 Sabet Huschang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:33
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/02; F01C1/063; F01C1/077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A ROTARY PISTON ENGINE, COMPRISING, IN COMBINATION: (A) A HOUSING DEFINING A CHAMBER AND HAVING AN INLET FOR THE ENTRANCE OF FUEL MIXTURE AND AN OUTLET FOR THE DISCHARGE OF COMBUSTION GASES; (B) AT LEAST ONE IGNITER ARRANGED IN THE WALL OF SAID HOUSING AND COMMUNICATING WITH THE INTERIOR THEREOF; (C) AN OPERATING SHAFT ROTATABLY MOUNTED COAXIALLY WITH AND EXTENDING THROUGH SAID HOUSING; (D) A PAIR OF PISTONS DIAMETRICALLY ARRANGED ON OPPOSITE SIDES OF, AND RIGIDLY CONNECTED TO SAID SHAFT; (E) A HOLLOW SHAFT DISPOSED ABOUT SAID OPERATING SHAFT AND EXTENDING COAXIALLY WITH AND THROUGH SAID HOUSING, SAID HOLLOW SHAFT BEING ROTATABLE RELATIVE TO SAID OPERATING SHAFT AND SAID HOUSING; (F) A SECOND PAIR OF PISTONS DIAMETRICALLY ARRANGED ON OPPOSITE SIDES OF, AND RIGIDLY CONNECTED TO SAID HOLLOW SHAFT; (G) SAID PISTONS OF SAID FIRST AND SECOND PAIRS BEING INTERDIGITATED AND BEING IN SEALING ENGAGEMENT WITH SAID HOUSING THEREBY DIVIDING SAID CHAMBER INTO FOUR CHAMBER SECTORS; AND
Claim 2
Dependent Claim
157 words
A ROTARY PISTON ENGINE, COMPRISING, IN COMBINATION: (A) A HOUSING DEFINING A CHAMBER AND HAVING AN INLET FOR THE ENTRANCE OF FUEL MIXTURE AND AN OUTLET FOR THE DISCHARGE OF COMBUSTION GASES; (B) AT LEAST ONE IGNITER ARRANGED IN THE WALL OF SAID HOUSING AND COMMUNICATING WITH THE INTERIOR THEREOF; (C) AN OPERATING SHAFT ROTATABLY MOUNTED COAXIALLY WITH AND EXTENDING THROUGH SAID HOUSING; (D) A PAIR OF PISTONS DIAMETRICALLY ARRANGED ON OPPOSITE SIDES OF, AND RIGIDLY CONNECTED TO SAID SHAFT; (E) A HOLLOW SHAFT DISPOSED ABOUT SAID OPERATING SHAFT AND EXTENDING COAXIALLY WITH AND THROUGH SAID HOUSING, SAID HOLLOW SHAFT BEING ROTATABLE RELATIVE TO SAID OPERATING SHAFT AND SAID HOUSING; (F) A SECOND PAIR OF PISTONS DIAMETRICALLY ARRANGED ON OPPOSITE SIDES OF, AND RIGIDLY CONNECTED TO SAID HOLLOW SHAFT; (G) SAID PISTONS OF SAID FIRST AND SECOND PAIRS BEING INTERDIGITATED AND BEING IN SEALING ENGAGEMENT WITH SAID HOUSING THEREBY DIVIDING SAID CHAMBER INTO FOUR CHAMBER SECTORS; AND
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |