US3189126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine crankcase
Assignee: Mack Trucks Inc
•
Filing: 1963-03-18
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Granted: 1965-06-15
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Walter M May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:42
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/06; F01M11/062; F01M11/065; F01M11/0004; F01M2011/0037; F01M2011/0041; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86348
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN ENGINE CRANKCASE FOR ACCUMULATING LUBRICATING OIL FOR AN ENGINE, COMPRISING A DEEP SUMP, A RELATIVELY SHALLOW PORTION COMMUNICATING WITH SAID SUMP, TROUGH MEANS IN SAID SHALLOW PORTION SLOPING TOWARD SAID SUMP TO DIRECT OIL INTO SAID SUMP FROM SAID SHALLOW PORTION WHEN THE CRANKCASE IS TILTED DOWNWARDLY IN THE DIRECTION OF SAID SHALLOW PORTION, AND MEANS IN SAID TROUGH FOR LIMITING THE FLOW OF OIL FROM SAID SUMP INTO SAID SHALLOW PORTION TO A PREDETERMINED FLOW RATE.
Claim 2
Dependent Claim
78 words
AN ENGINE CRANKCASE FOR ACCUMULATING LUBRICATING OIL FOR AN ENGINE, COMPRISING A DEEP SUMP, A RELATIVELY SHALLOW PORTION COMMUNICATING WITH SAID SUMP, TROUGH MEANS IN SAID SHALLOW PORTION SLOPING TOWARD SAID SUMP TO DIRECT OIL INTO SAID SUMP FROM SAID SHALLOW PORTION WHEN THE CRANKCASE IS TILTED DOWNWARDLY IN THE DIRECTION OF SAID SHALLOW PORTION, AND MEANS IN SAID TROUGH FOR LIMITING THE FLOW OF OIL FROM SAID SUMP INTO SAID SHALLOW PORTION TO A PREDETERMINED FLOW RATE.
References Cited (Backward Citations)
US1667728A
Cited
US3101129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |