US3295507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubrication system for internal combustion engines
Assignee: Individual
•
Filing: 1964-07-06
•
Granted: 1967-01-03
•
Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Aaron D Carter
- 👤 Lawrence G Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:06
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/10; F01M1/00; F01M1/10; F01M11/03; F01M5/00; F01M5/02; F01M5/025; F01M2005/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE OF A TYPE HAVING A LUBRICANT SUMP AND A PUMP DRIVEN BY THE ENGINE FOR SUPPLYING LUBRICANT TO CERTAIN MOVING PARTS OF THE ENGINE, THE IMPROVEMENT WHICH COMPRISES: AN AUXILIARY PUMP CONNECTED TO SAID SUMP FOR DRAWING LUBRICANT THEREFROM; AN ELECTRIC MOTOR DRIVINGLY CONNECTED TO SAID AUXILIARY PUMP; A SOURCE OF ELECTRICAL CURRENT ELECTRICALLY CONNECTED TO SAID MOTOR; A FILTER POSITIONED EXTERNALLY OF THE LUBRICANT SUMP CONNECTED TO SAID ENGINE DRIVEN PUMP AND TO SAID AUXILIARY MOTOR DRIVEN PUMP FOR RECEIVING LUBRICANT FROM EITHER OF SAID PUMPS; MEANS FOR CONVEYING LUBRICANT FROM SAID FILTER TO SAID MOVING PARTS.
Claim 2
Dependent Claim
105 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE OF A TYPE HAVING A LUBRICANT SUMP AND A PUMP DRIVEN BY THE ENGINE FOR SUPPLYING LUBRICANT TO CERTAIN MOVING PARTS OF THE ENGINE, THE IMPROVEMENT WHICH COMPRISES: AN AUXILIARY PUMP CONNECTED TO SAID SUMP FOR DRAWING LUBRICANT THEREFROM; AN ELECTRIC MOTOR DRIVINGLY CONNECTED TO SAID AUXILIARY PUMP; A SOURCE OF ELECTRICAL CURRENT ELECTRICALLY CONNECTED TO SAID MOTOR; A FILTER POSITIONED EXTERNALLY OF THE LUBRICANT SUMP CONNECTED TO SAID ENGINE DRIVEN PUMP AND TO SAID AUXILIARY MOTOR DRIVEN PUMP FOR RECEIVING LUBRICANT FROM EITHER OF SAID PUMPS; MEANS FOR CONVEYING LUBRICANT FROM SAID FILTER TO SAID MOVING PARTS.
References Cited (Backward Citations)
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |