Patent US2319541A successfully refreshed from Google Patents.
Patent US3413941A successfully refreshed from Google Patents.
US3413941A
Expired / Lapsed
US
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Planter metering device
Assignee: Case LLC
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Filing: 1966-10-20
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Granted: 1968-12-03
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Expires: 1986-10-20
Abstract
No abstract record available.
Inventors
- 👤 Raymond F Roberson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:02
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN A PLANTER HAVING A FRAME AND A FURROW OPENER CARRIED THEREBY, A SEED HOPPER MOUNTED ON THE FRAME HAVING AN OPENING FOR THE PASSAGE OF SEED THEREFROM AND SEED SELECTING AND METERING MECHANISM DISPOSED BETWEEN THE HOPPER AND THE FURROW OPENER FOR RECEIVING SEED FROM THE HOPPER AND DISCHARGING IT TO THE FURROW OPENER COMPRISING, A HOUSING MOUNTED ON THE FRAME IN COMMUNICATION WITH SAID OUTLET TO RECEIVE SEED FROM THE HOOPER, SPACED PULLEYS MOUNTED IN SAID HOUSING, AND AN ENDLESS CONVEYOR BELT TRAINED ON SAID PULLEYS, SAID BELT HAVING CUTOUTS FORMING SPRING FINGERS NORMALLY DISPOSED AND BIASED IN THE PLANE OF THE BELT WHEN THE LATTER FOLLOWS A STRAIGHT PATH BETWEEN SAID PULLEYS AND DEFLECTABLE RADIALLY OUTWARDLY AS THE INNER FACE OF SAID BELT ENGAGES AND FOLLOWS A CURVED PATH OVER ONE OF SAID PULLEYS TO FORM A POCKET BETWEEN EACH OF SAID FINGERS AND THE PERIPHERY OF SAID ONE OF SAID PULLEYS, AND RETAINER MEANS MOUNTED IN SAID HOUSING IN SUBSTANTIAL ENGAGEMENT WITH SAID INNER
Claim 2
Dependent Claim
168 words
IN A PLANTER HAVING A FRAME AND A FURROW OPENER CARRIED THEREBY, A SEED HOPPER MOUNTED ON THE FRAME HAVING AN OPENING FOR THE PASSAGE OF SEED THEREFROM AND SEED SELECTING AND METERING MECHANISM DISPOSED BETWEEN THE HOPPER AND THE FURROW OPENER FOR RECEIVING SEED FROM THE HOPPER AND DISCHARGING IT TO THE FURROW OPENER COMPRISING, A HOUSING MOUNTED ON THE FRAME IN COMMUNICATION WITH SAID OUTLET TO RECEIVE SEED FROM THE HOOPER, SPACED PULLEYS MOUNTED IN SAID HOUSING, AND AN ENDLESS CONVEYOR BELT TRAINED ON SAID PULLEYS, SAID BELT HAVING CUTOUTS FORMING SPRING FINGERS NORMALLY DISPOSED AND BIASED IN THE PLANE OF THE BELT WHEN THE LATTER FOLLOWS A STRAIGHT PATH BETWEEN SAID PULLEYS AND DEFLECTABLE RADIALLY OUTWARDLY AS THE INNER FACE OF SAID BELT ENGAGES AND FOLLOWS A CURVED PATH OVER ONE OF SAID PULLEYS TO FORM A POCKET BETWEEN EACH OF SAID FINGERS AND THE PERIPHERY OF SAID ONE OF SAID PULLEYS, AND RETAINER MEANS MOUNTED IN SAID HOUSING IN SUBSTANTIAL ENGAGEMENT WITH SAID INNER
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |