Patent US4253312A successfully refreshed from Google Patents.
Patent US3235102A successfully refreshed from Google Patents.
US3235102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silo unloader
Assignee: Individual
•
Filing: 1965-02-05
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Granted: 1966-02-15
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Expires: 1985-02-05
Abstract
No abstract record available.
Inventors
- 👤 Chapman George Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:54
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A SILAGE HANDLING MACHINE, THE COMBINATION OF A CONVEYOR CHAIN, SILAGE SCOOPS SECURED TO AND DEPENDING FROM SAID CHAIN, SAID SCOOPS HAVING SIDES AND AN OPEN FRONT FACING THE DIRECTION OF TRAVEL OF THE CHAIN, SILAGE CUTTERS SECURED EXTERIORLY TO ONE SIDE OF SAID SCOOPS AND PROJECTING BELOW THE SAME, AND A CHANNEL-LIKE TRACK ENCLOSING SAID CHAIN AND HAVING SAID SCOOPS PASING THERETHROUGH, SAID TRACK HAVING ONE OPEN SIDE SAND A BOTTOM WALL ADAPTED TO REST ON SILAGE, SAID SCOOPS BEING SLIDABLE ALONG AND SAID BOTTOM WALL WITHIN THE TRACK AND SAID CUTTERS PROJECTING BELOW SAID BOTTOM WALL AT THE OPEN SIDE OF THE TRACK TO ENGAGE THE SILAGE.
Claim 2
Dependent Claim
110 words
IN A SILAGE HANDLING MACHINE, THE COMBINATION OF A CONVEYOR CHAIN, SILAGE SCOOPS SECURED TO AND DEPENDING FROM SAID CHAIN, SAID SCOOPS HAVING SIDES AND AN OPEN FRONT FACING THE DIRECTION OF TRAVEL OF THE CHAIN, SILAGE CUTTERS SECURED EXTERIORLY TO ONE SIDE OF SAID SCOOPS AND PROJECTING BELOW THE SAME, AND A CHANNEL-LIKE TRACK ENCLOSING SAID CHAIN AND HAVING SAID SCOOPS PASING THERETHROUGH, SAID TRACK HAVING ONE OPEN SIDE SAND A BOTTOM WALL ADAPTED TO REST ON SILAGE, SAID SCOOPS BEING SLIDABLE ALONG AND SAID BOTTOM WALL WITHIN THE TRACK AND SAID CUTTERS PROJECTING BELOW SAID BOTTOM WALL AT THE OPEN SIDE OF THE TRACK TO ENGAGE THE SILAGE.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |