US3288122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine
Assignee: Individual
•
Filing: 1964-02-25
•
Granted: 1966-11-29
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Expires: 1984-02-25
Abstract
No abstract record available.
Inventors
- 👤 Atsalos Chris
- 👤 Atsalos Emmanuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:53
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/02; F01C1/063; F02; F02B; F02B53/00; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN ENGINE OF THE CHARACTER DESCRIBED, INCLUDING A SHAFT, A CYLINDER HOUSING SECURED TO SAID SHAFT FOR ROTATION THEREWITH, SAID HOUSING INCLUDING A FIRST AND A SECOND CYLINDER PORTION, A FIRST AND A SECOND PISTON MEMBER IN SAID FIRST AND SECOND CYLINDER PORTION RESPECTIVELY, FIRST MEANS FOR ALTERNATELY ARRESTING MOVEMENT OF SAID PISTON MEMBERS WITH RESPECT TO SAID CYLINDER HOUSING, A SECOND MEANS SYNCHORINED WITH SAID FIRST MEANS FOR ALTERNATELY ADVANCING SAID PISTON MEMBERS WITH RESPECT TO SAID CYLINDER HOUSING, SAID FIRST AND SECOND MEANS OPERATING SUCH THAT WHEN ONE OF SAID PISTON MEMBERS IS ARRESTED THE OTHER IS ADVANCED, SAID SECOND MEANS INCLUDING A FLUID COUPLING BETWEEN SAID PISTON MEMBERS.
Claim 2
Dependent Claim
111 words
AN ENGINE OF THE CHARACTER DESCRIBED, INCLUDING A SHAFT, A CYLINDER HOUSING SECURED TO SAID SHAFT FOR ROTATION THEREWITH, SAID HOUSING INCLUDING A FIRST AND A SECOND CYLINDER PORTION, A FIRST AND A SECOND PISTON MEMBER IN SAID FIRST AND SECOND CYLINDER PORTION RESPECTIVELY, FIRST MEANS FOR ALTERNATELY ARRESTING MOVEMENT OF SAID PISTON MEMBERS WITH RESPECT TO SAID CYLINDER HOUSING, A SECOND MEANS SYNCHORINED WITH SAID FIRST MEANS FOR ALTERNATELY ADVANCING SAID PISTON MEMBERS WITH RESPECT TO SAID CYLINDER HOUSING, SAID FIRST AND SECOND MEANS OPERATING SUCH THAT WHEN ONE OF SAID PISTON MEMBERS IS ARRESTED THE OTHER IS ADVANCED, SAID SECOND MEANS INCLUDING A FLUID COUPLING BETWEEN SAID PISTON MEMBERS.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |