Patent US3140700A successfully refreshed from Google Patents.
US3140700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for lubricating internal combustion engines
Assignee: Audi AG
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Filing: 1961-04-27
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Granted: 1964-07-14
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Expires: 1981-04-27
Abstract
No abstract record available.
Inventors
- 👤 Friedrich K H Nallinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:31
CPC Classifications
F; F01; F01M; F01M3/00; F01M3/02; F02; F02B; F02B53/00; F02B2053/005; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
IN AN INTERNAL COMBUSTION ENGINE HAVING FUEL SUPPLYING MEANS, A FUEL CHARGING PASSAGE AND MEANS SUPPLYING OIL TO THE ENGINE THROUGH SAID FUEL CHARGING PASSAGE, SAID FUEL SUPPLYING MEANS COMPRISING A THROTTLE VALVE HAVING A SHAFT, AND MEANS CONNECTED WITH SAID SHAFT AND SAID OIL SUPPLYING MEANS FOR REGULATING THE AMOUNT OF THE SUPPLIED OIL DEPENDING UPON THE POSITIONS OF SAID SHAFT, SAID ENGINE FURTHER COMPRISING A SPEED REGULATING DEVICE CONNECTED WITH SAID OIL SUPPLYING DEVICE FOR ADDITIONALLY REGULATING THE SUPPLY OF OIL.
Claim 2
Dependent Claim
83 words
IN AN INTERNAL COMBUSTION ENGINE HAVING FUEL SUPPLYING MEANS, A FUEL CHARGING PASSAGE AND MEANS SUPPLYING OIL TO THE ENGINE THROUGH SAID FUEL CHARGING PASSAGE, SAID FUEL SUPPLYING MEANS COMPRISING A THROTTLE VALVE HAVING A SHAFT, AND MEANS CONNECTED WITH SAID SHAFT AND SAID OIL SUPPLYING MEANS FOR REGULATING THE AMOUNT OF THE SUPPLIED OIL DEPENDING UPON THE POSITIONS OF SAID SHAFT, SAID ENGINE FURTHER COMPRISING A SPEED REGULATING DEVICE CONNECTED WITH SAID OIL SUPPLYING DEVICE FOR ADDITIONALLY REGULATING THE SUPPLY OF OIL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |