Patent US3138222A successfully refreshed from Google Patents.
US3138222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid feed assembly for differential mechanisms
Assignee: Thornton Products Co
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Filing: 1961-05-31
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Granted: 1964-06-23
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Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Albert C Dames
- 👤 Joseph J Weyn
- 👤 Saurer Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:06
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/042; F16H57/0421; F16H57/048; F16H57/0482; F16H57/0483; F16H48/00; F16H48/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A VEHICLE DIFFERENTIAL WHICH INCLUDES A HOUSING ADAPTED TO CONTAIN A LUBRICATING FLUID, MEANS INCLUDING AN UPRIGHT RING GEAR ROTATABLY MOUNTED IN SAID HOUSING FOR ROTATION ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, SAID RING GEAR HAVING A LATERALLY EXTENDING TOOTHED PORTION; GRAVITY FEEDING MEANS FOR DELIVERING SOME OF SAID FLUID TO A DESIRED LOCATION IN THE HOUSING COMPRISING A FLUID INTERCEPTOR MEMBER OF PLATE FORM POSITIONED IN AN UPPER PORTION OF SAID HOUSING AND HAVING A PORTION WHICH EXTENDS LATERALLY TOWARD SAID RING GEAR INTO A CLOSELY SPACED RELATION WITH THE RADIALLY INNER SIDE OF SAID TOOTHED PORTION AND INTO A POSITION UNDERNEATH SAID TOOTHED PORTION WHEREBY FLUID ADHERING TO SAID RING GEAR TOOTHED PORTION ENGAGES SAID INTERCEPTOR PORTION AND IS TRANSFERRED THERETO, A DOWNWARDLY EXTENDING FUNNEL MEMBER HAVING A DOWNWARDLY INCLINED BOTTOM WALL POSITIONED IMMEDIATELY BELOW AND IN
Claim 2
Dependent Claim
139 words
IN A VEHICLE DIFFERENTIAL WHICH INCLUDES A HOUSING ADAPTED TO CONTAIN A LUBRICATING FLUID, MEANS INCLUDING AN UPRIGHT RING GEAR ROTATABLY MOUNTED IN SAID HOUSING FOR ROTATION ABOUT A SUBSTANTIALLY HORIZONTAL AXIS, SAID RING GEAR HAVING A LATERALLY EXTENDING TOOTHED PORTION; GRAVITY FEEDING MEANS FOR DELIVERING SOME OF SAID FLUID TO A DESIRED LOCATION IN THE HOUSING COMPRISING A FLUID INTERCEPTOR MEMBER OF PLATE FORM POSITIONED IN AN UPPER PORTION OF SAID HOUSING AND HAVING A PORTION WHICH EXTENDS LATERALLY TOWARD SAID RING GEAR INTO A CLOSELY SPACED RELATION WITH THE RADIALLY INNER SIDE OF SAID TOOTHED PORTION AND INTO A POSITION UNDERNEATH SAID TOOTHED PORTION WHEREBY FLUID ADHERING TO SAID RING GEAR TOOTHED PORTION ENGAGES SAID INTERCEPTOR PORTION AND IS TRANSFERRED THERETO, A DOWNWARDLY EXTENDING FUNNEL MEMBER HAVING A DOWNWARDLY INCLINED BOTTOM WALL POSITIONED IMMEDIATELY BELOW AND IN
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |