US3073108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: Individual
•
Filing: 1961-10-23
•
Granted: 1963-01-15
•
Expires: 1981-10-23
Abstract
No abstract record available.
Inventors
- 👤 Ward Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:22
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/28; F02B75/282; F16; F16H; F16H43/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN INTERNAL COMBUSTION ENGINE FOR A VEHICLE WHICH COMPRISES: A PLURALITY OF CYLINDERS; A PAIR OF OPPOSED, COUNTERACTING PISTONS IN EACH OF SAID CYLINDERS, SAID PISTONS BEING EMPLOYED TO PROPEL SAID VEHICLE, AND SAID PISTONS DIVIDING EACH OF SAID CYLINDERS INTO THREE COMBUSTION CHAMBERS; AND A CAMSHAFT INTERCONNECTED TO SAID PAIR OF PISTONS IN EACH CYLINDER FOR SYNCHRONIZING AND GOVERNING THE STROKES OF SAID PISTONS, AND FOR TRANSMITTING FORCE FROM ONE PAIR OF PISTONS IN ONE CYLINDER PASSING THROUGH A POWER STROKE TO ANOTHER PAIR OF PISTONS IN ANOTHER CYLINDER, WHEREBY SAID PISTONS ARE DRIVEN THROUGH THEIR CYCLE OF OPERATION.
Claim 2
Dependent Claim
100 words
AN INTERNAL COMBUSTION ENGINE FOR A VEHICLE WHICH COMPRISES: A PLURALITY OF CYLINDERS; A PAIR OF OPPOSED, COUNTERACTING PISTONS IN EACH OF SAID CYLINDERS, SAID PISTONS BEING EMPLOYED TO PROPEL SAID VEHICLE, AND SAID PISTONS DIVIDING EACH OF SAID CYLINDERS INTO THREE COMBUSTION CHAMBERS; AND A CAMSHAFT INTERCONNECTED TO SAID PAIR OF PISTONS IN EACH CYLINDER FOR SYNCHRONIZING AND GOVERNING THE STROKES OF SAID PISTONS, AND FOR TRANSMITTING FORCE FROM ONE PAIR OF PISTONS IN ONE CYLINDER PASSING THROUGH A POWER STROKE TO ANOTHER PAIR OF PISTONS IN ANOTHER CYLINDER, WHEREBY SAID PISTONS ARE DRIVEN THROUGH THEIR CYCLE OF OPERATION.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |