US3176671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: Hilbee Corp
•
Filing: 1963-01-21
•
Granted: 1965-04-06
•
Expires: 1983-01-21
Abstract
No abstract record available.
Inventors
- 👤 Donald E Stinebaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:11
CPC Classifications
F; F02; F02B; F02B41/00; F02B41/02; F02B41/04; F02B1/00; F02B2700/00; F02B2700/02; F02B2700/025; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/18208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A FOUR STROKE INTERNAL COMBUSTION ENGINE HAVING A CYLINDER, A PISTON RECIPROCABLE IN SAID CYLINDER AND A ROTATABLE CRANKSHIFT, SAID ENGINE ALSO INCLUDING THE IMPROVEMENT COMPRISING: A TWO PORTION CONNECTING ROD CONNECTING SAID PISTON TO SAID CRANKSHAFT AND CONVERTING RECIPROCATORY PISTON MOVEMENT INTO CRANKSHAFT ROTATION, A PIVOTED CONNECTION BETWEEN SAID PORTIONS POSITIONED INTERMEDIATE THE LENGTH OF SAID CONNECTING ROD, AND MEANS DRIVEN FROM SAID CRANKSHAFT FOR MOVING SAID PIVOTAL CONNECTION LATERALLY OF SAID CONNECTING ROD DURING SAID CYCLE TO PRODUCE PISTON MOVEMENT RELATIVE TO CRANKSHAFT ROTATION WHICH DIFFERS IN ALTERNATE STROKES OF SAID PISTON IN THE SAME DIRECTION, SAID MEANS INCLUDING A CONTROL ROD HAVING ONE END PIVOTALLY CONNECTED TO SAID CONNECTING ROD ADJACENT SAID PIVOTAL CONNECTION BETWEEN SAID PORTIONS AND EXTENDING GENERALLY LATERALLY OF SAID CONNECTING ROD, AND INCLUDING ACTUATING MEANS DRIVEN FROM SAID CRANKSHAFT FOR MOVING THE OTHER END OF SAID CONTROL ROD LATERALLY OF SAID CONNECTING ROD,
Claim 2
Dependent Claim
150 words
A FOUR STROKE INTERNAL COMBUSTION ENGINE HAVING A CYLINDER, A PISTON RECIPROCABLE IN SAID CYLINDER AND A ROTATABLE CRANKSHIFT, SAID ENGINE ALSO INCLUDING THE IMPROVEMENT COMPRISING: A TWO PORTION CONNECTING ROD CONNECTING SAID PISTON TO SAID CRANKSHAFT AND CONVERTING RECIPROCATORY PISTON MOVEMENT INTO CRANKSHAFT ROTATION, A PIVOTED CONNECTION BETWEEN SAID PORTIONS POSITIONED INTERMEDIATE THE LENGTH OF SAID CONNECTING ROD, AND MEANS DRIVEN FROM SAID CRANKSHAFT FOR MOVING SAID PIVOTAL CONNECTION LATERALLY OF SAID CONNECTING ROD DURING SAID CYCLE TO PRODUCE PISTON MOVEMENT RELATIVE TO CRANKSHAFT ROTATION WHICH DIFFERS IN ALTERNATE STROKES OF SAID PISTON IN THE SAME DIRECTION, SAID MEANS INCLUDING A CONTROL ROD HAVING ONE END PIVOTALLY CONNECTED TO SAID CONNECTING ROD ADJACENT SAID PIVOTAL CONNECTION BETWEEN SAID PORTIONS AND EXTENDING GENERALLY LATERALLY OF SAID CONNECTING ROD, AND INCLUDING ACTUATING MEANS DRIVEN FROM SAID CRANKSHAFT FOR MOVING THE OTHER END OF SAID CONTROL ROD LATERALLY OF SAID CONNECTING ROD,
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |