US3085392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engines
Assignee: Individual
•
Filing: 1960-12-05
•
Granted: 1963-04-16
•
Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Achilles C Sampietro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:35
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02B75/222; F02B37/00; F02B37/04; F02B37/10; F02B37/105; F02B37/11; F02B75/28; F02B75/282; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN INTERNAL COMBUSTION ENGINE COMPRISING: AT LEAST ONE WORKING CYLINDER; OPPOSED WORKING PISTONS IN SAID CYLINDER; HYDRAULIC RAMS DRIVABLY CONNECTED ONE TO EACH OF SAID WORKING PISTONS; RAM CYLINDERS EACH ENCLOSING ONE OF SAID HYDRAULIC RAMS; A CRANKSHAFT; AT LEAST TWO AUXILIARY HYDRAULIC CYLINDERS POSITIONED ABOUT THE CRANKSHAFT AND BEING ANGULARLY ADJUSTABLE RELATIVE TO ONE ANOTHER; DOUBLE-ACTING AUXILIARY HYDRAULIC PISTONS ENCLOSED ONE IN EACH OF SAID AUXILIARY HYDRAULIC CYLINDERS AND EACH DRIVABLY CONNECTED TO SAID CRANKSHAFT; SEPARATE CONDUIT MEANS INTERCONNECTING EACH OF SAID RAM CYLINDERS AND CORRESPONDING ONES OF SAID AUXILIARY HYDRAULIC CYLINDERS, SAID RAM CYLINDERS, SAID AUXILIARY HYDRAULIC CYLINDERS AND SAID CONDUIT MEANS BEING CHARGED WITH HYDRAULIC LIQUID; AND MEANS FOR ADJUSTING THE ANGULAR POSITION OF SAID AUXILIARY HYDRAULIC CYLINDERS ABOUT THE CRANKSHAFT RELATIVE TO ONE ANOTHER WHEREBY THE RELATIVE TIMING OF MOVEMENTS OF
Claim 2
Dependent Claim
135 words
AN INTERNAL COMBUSTION ENGINE COMPRISING: AT LEAST ONE WORKING CYLINDER; OPPOSED WORKING PISTONS IN SAID CYLINDER; HYDRAULIC RAMS DRIVABLY CONNECTED ONE TO EACH OF SAID WORKING PISTONS; RAM CYLINDERS EACH ENCLOSING ONE OF SAID HYDRAULIC RAMS; A CRANKSHAFT; AT LEAST TWO AUXILIARY HYDRAULIC CYLINDERS POSITIONED ABOUT THE CRANKSHAFT AND BEING ANGULARLY ADJUSTABLE RELATIVE TO ONE ANOTHER; DOUBLE-ACTING AUXILIARY HYDRAULIC PISTONS ENCLOSED ONE IN EACH OF SAID AUXILIARY HYDRAULIC CYLINDERS AND EACH DRIVABLY CONNECTED TO SAID CRANKSHAFT; SEPARATE CONDUIT MEANS INTERCONNECTING EACH OF SAID RAM CYLINDERS AND CORRESPONDING ONES OF SAID AUXILIARY HYDRAULIC CYLINDERS, SAID RAM CYLINDERS, SAID AUXILIARY HYDRAULIC CYLINDERS AND SAID CONDUIT MEANS BEING CHARGED WITH HYDRAULIC LIQUID; AND MEANS FOR ADJUSTING THE ANGULAR POSITION OF SAID AUXILIARY HYDRAULIC CYLINDERS ABOUT THE CRANKSHAFT RELATIVE TO ONE ANOTHER WHEREBY THE RELATIVE TIMING OF MOVEMENTS OF
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |