US3175359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary combustion engine
Assignee: Individual
•
Filing: 1962-04-02
•
Granted: 1965-03-30
•
Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Szlechter Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:08
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/08; F01C1/10; F01C1/107
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A ROTARY ENGINE COMPRISING A HOUSING, A COMPRESSION CHAMBER IN SAID HOUSING, SAID CHAMBER HAVING AN INPUT PORT FOR RECEIVING A COMBUSTIBLE MIXTURE, A COMBUSTION CHAMBER POSITIONED ADJACENT ONE END OF SAID COMPRESSION CHAMBER AND EXTERNAL THERETO, A ROTATABLE SHAFT EXTENDING INTO SAID COMPRESSION CHAMBER, A HELICAL MEMBER SECURED TO SAID SHAFT WITHIN SAID COMPRESSION CHAMBER TO DELIVER SAID COMBUSTIBLE MIXTURE TO SAID COMBUSTION CHAMBER IN A COMPRESSED CONDITION, A PLURALITY OF IMPELLER BLADES CARRIED BY SAID SHAFT ON THE SIDE OF SAID COMBUSTION CHAMBER OPPOSITE SAID COMPRESSION CHAMBER, MEANS FOR DETONATING A COMBUSTIBLE MIXTURE WITHIN SAID COMBUSTION CHAMBER EACH TIME SAID SHAFT MAKES A COMPLETE REVOLUTION,
Claim 2
Dependent Claim
107 words
A ROTARY ENGINE COMPRISING A HOUSING, A COMPRESSION CHAMBER IN SAID HOUSING, SAID CHAMBER HAVING AN INPUT PORT FOR RECEIVING A COMBUSTIBLE MIXTURE, A COMBUSTION CHAMBER POSITIONED ADJACENT ONE END OF SAID COMPRESSION CHAMBER AND EXTERNAL THERETO, A ROTATABLE SHAFT EXTENDING INTO SAID COMPRESSION CHAMBER, A HELICAL MEMBER SECURED TO SAID SHAFT WITHIN SAID COMPRESSION CHAMBER TO DELIVER SAID COMBUSTIBLE MIXTURE TO SAID COMBUSTION CHAMBER IN A COMPRESSED CONDITION, A PLURALITY OF IMPELLER BLADES CARRIED BY SAID SHAFT ON THE SIDE OF SAID COMBUSTION CHAMBER OPPOSITE SAID COMPRESSION CHAMBER, MEANS FOR DETONATING A COMBUSTIBLE MIXTURE WITHIN SAID COMBUSTION CHAMBER EACH TIME SAID SHAFT MAKES A COMPLETE REVOLUTION,
References Cited (Backward Citations)
US1726104A
Cited
US2511441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |