US3138116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding hopper closure outlet assembly
Assignee: Enterprise Railway Equipment Co
•
Filing: 1960-12-09
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Granted: 1964-06-23
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Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 George B Dorey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:38
CPC Classifications
B; B65; B65D; B65D90/00; B65D90/54; B65D90/58; B65D90/587; B60; B60P; B60P1/00; B60P1/56; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN COMBINATION, A HOPPER HAVING A DISCHARGE OPENING AND A SLIDING GATE FOR THE OPENING; MEANS FOR SUPPORTING THE GATE IN ITS SLIDING MOVEMENT INCLUDING SIDE WALL MEMBERS LYING AT OPPOSITE SIDES OF THE GATE AND EXTENDING BELOW THE LEVEL OF SAID GATE, CERTAIN OF SAID SIDE WALLS HAVING BULGES FORMED THEREIN TO EXTEND INWARDLY BENEATH THE GATE AND FORM SUPPORTS ON WHICH THE GATE IS ADAPTED TO SLIDE, SAID BULGES FORMING OPEN SIDED ENCLOSURES WITH THE OPEN SIDES FACING OUTWARDLY OF THE RESPECTIVE SIDE WALLS.
Claim 2
Dependent Claim
86 words
IN COMBINATION, A HOPPER HAVING A DISCHARGE OPENING AND A SLIDING GATE FOR THE OPENING; MEANS FOR SUPPORTING THE GATE IN ITS SLIDING MOVEMENT INCLUDING SIDE WALL MEMBERS LYING AT OPPOSITE SIDES OF THE GATE AND EXTENDING BELOW THE LEVEL OF SAID GATE, CERTAIN OF SAID SIDE WALLS HAVING BULGES FORMED THEREIN TO EXTEND INWARDLY BENEATH THE GATE AND FORM SUPPORTS ON WHICH THE GATE IS ADAPTED TO SLIDE, SAID BULGES FORMING OPEN SIDED ENCLOSURES WITH THE OPEN SIDES FACING OUTWARDLY OF THE RESPECTIVE SIDE WALLS.
References Cited (Backward Citations)
US935050A
Cited
US949494A
Cited
US1153249A
Cited
US2386702A
Cited
US2738735A
Cited
US2749851A
Cited
US2738739A
Cited
US2810356A
Cited
US2863402A
Cited
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 |