US3077870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine arrangement
Assignee: Dr Ing HCF Porsche AG
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Filing: 1961-07-06
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Granted: 1963-02-19
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Expires: 1981-07-06
Abstract
No abstract record available.
Inventors
- 👤 Leopold F Schmid
- 👤 Hans H Honick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:27
CPC Classifications
F; F01; F01B; F01B13/00; F01B13/04; F01B13/06; F01B13/068; F01B9/00; F01B9/04; F01B9/06; F01B2009/061; F01B2009/065; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1812; F02B57/00; F02B57/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
141 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A ROTARY CYLINDER OF WHICH THE PISTONS ARE GUIDED BY CAM DISKS AND ARE CONNECTED WITH EACH OTHER THROUGH CONNECTING LINKS WHICH ENGAGE AT THE WRIST PINS OF SAID PISTONS, AND IN WHICH EACH PISTON IS PROVIDED WITH WRIST PIN MEANS, THE IMPROVEMENT ESSENTIALLY CONSISTING OF TWO ROLLER MEMBERS FOR EACH PISTON AND ARRANGED AT THE RESPECTIVE WRIST PIN MEANS AT A DISTANCE FROM EACH OTHER, SAID ROLLER MEMBERS COOPERATING WITH SAID CAM DISKS, THREE CONNECTING LINKS ENGAGING THE RESPECTIVE WRIST PIN MEANS OF A PISTON INTERMEDIATE THE CORRESPONDING ROLLER MEMBERS, THE TWO OUTER CONNECTING LINKS LEADING TO ONE ADJOINING PISTON AND THE CENTER CONNECTING LINK LEADING TO THE OTHER ADJOINING PISTON, AND THE TWO ROLLER MEMBERS AND THREE CONNECTING LINKS BEING ARRANGED SUBSTANTIALLY SYMMETRICALLY WITH RESPECT TO THE LONGITUDINAL AXIS OF THE CORRESPONDING PISTON.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |