US2757598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering device for granular material
Assignee: Unisys Corp
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Filing: 1954-12-15
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Granted: 1956-08-07
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Expires: 1974-12-15
Abstract
No abstract record available.
Inventors
- 👤 James R West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:55
CPC Classifications
A; A01; A01F; A01F29/00; A01F29/09; G; G01; G01F; G01F13/00; G01F13/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN ENSILAGE CUTTER COMPRISING A HOUSING AND A CUTTER OPERATIVELY DISPOSED THEREIN, AN INFEED CONVEYOR OPERATING TO DELIVER CROP MATERIAL INTO SAID HOUSING, A HOPPER, MEANS SUPPORTING SAID HOPPER IN FIXED RELATION TO SAID HOUSING, SAID HOPPER HAVING A DISCHARGE OPENING COMMUNICATING WITH THE INTERIOR OF THE HOUSING, A GATE SUPPORTED BY SAID HOPPER FOR MOVEMENT ACROSS SAID DISCHARGE OPENING TO VARY THE EFFECTIVE SIZE OF SAID OPENING, A FEELER ELEMENT AND MEANS SUPPORTING SAID FEELER ELEMENT FOR VERTICAL FLOATING MOVEMENT IN ENGAGEMENT WITH AND RESPONSIVE TO VARIATIONS IN THE DEPTH OF THE MATERIAL ON SAID INFEED
Claim 2
Dependent Claim
97 words
AN ENSILAGE CUTTER COMPRISING A HOUSING AND A CUTTER OPERATIVELY DISPOSED THEREIN, AN INFEED CONVEYOR OPERATING TO DELIVER CROP MATERIAL INTO SAID HOUSING, A HOPPER, MEANS SUPPORTING SAID HOPPER IN FIXED RELATION TO SAID HOUSING, SAID HOPPER HAVING A DISCHARGE OPENING COMMUNICATING WITH THE INTERIOR OF THE HOUSING, A GATE SUPPORTED BY SAID HOPPER FOR MOVEMENT ACROSS SAID DISCHARGE OPENING TO VARY THE EFFECTIVE SIZE OF SAID OPENING, A FEELER ELEMENT AND MEANS SUPPORTING SAID FEELER ELEMENT FOR VERTICAL FLOATING MOVEMENT IN ENGAGEMENT WITH AND RESPONSIVE TO VARIATIONS IN THE DEPTH OF THE MATERIAL ON SAID INFEED
References Cited (Backward Citations)
US2298482A
Cited
US2507820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |