Patent US3137285A successfully refreshed from Google Patents.
US3137285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for supplying oil to internal combustion engines
Assignee: Audi AG
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Filing: 1963-05-01
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Granted: 1964-06-16
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Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Ausserbauer Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:15
CPC Classifications
F; F01; F01M; F01M3/00; F01M5/00; F01M5/001; F02; F02B; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SYSTEM FOR SUPPLYING OIL TO AN INTERNAL-COMBUSTION ENGINE WHEREIN SAID OIL IS ADMIXED WITH FUEL PRIOR TO INTRODUCTION INTO SAID ENGINE, SAID ENGINE BEING MOUNTED FOR AT LEAST LIMITED VIBRATION RELATIVE TO A SUPPORT, SAID SYSTEM COMPRISING: A RESERVOIR FOR SAID OIL MOUNTED UPON SAID SUPPORT; AN OIL-DIPLACING PUMP SECURED TO SAID ENGINE AND COUPLED THEREWITH FOR OPERATION THEREBY TO METER OIL TO SAID ENGINE; HOUSING MEANS ON SAID ENGINE FORMING A PRE-HEATING CHAMBER FOR SAID OIL, SAID CHAMBER COMMUNICATING WITH SAID PUMP; AND CONDUIT MEANS FLEXIBLY INTERCONNECTING SAID RESERVOIR AND SAID HEATING CHAMBER.
Claim 2
Independent Claim
95 words
A SYSTEM FOR SUPPLYING OIL TO AN INTERNAL-COMBUSTION ENGINE WHEREIN SAID OIL IS ADMIXED WITH FUEL PRIOR TO INTRODUCTION INTO SAID ENGINE, SAID ENGINE BEING MOUNTED FOR AT LEAST LIMITED VIBRATION RELATIVE TO A SUPPORT, SAID SYSTEM COMPRISING: A RESERVOIR FOR SAID OIL MOUNTED UPON SAID SUPPORT; AN OIL-DIPLACING PUMP SECURED TO SAID ENGINE AND COUPLED THEREWITH FOR OPERATION THEREBY TO METER OIL TO SAID ENGINE; HOUSING MEANS ON SAID ENGINE FORMING A PRE-HEATING CHAMBER FOR SAID OIL, SAID CHAMBER COMMUNICATING WITH SAID PUMP; AND CONDUIT MEANS FLEXIBLY INTERCONNECTING SAID RESERVOIR AND SAID HEATING CHAMBER.
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |