US3219000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seed planter
Assignee: Individual
•
Filing: 1963-11-14
•
Granted: 1965-11-23
•
Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Elbert C Leach
- 👤 Jr Elbert C Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:53
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/04; Y; Y10; Y10S; Y10S111/00; Y10S111/906; Y10S111/913
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
145 words
IN A SEED PLANTER HAVING A HORIZONTAL LINE OF MOVEMENT, A SEED DISPENSER COMPRISING: A HOLLOW CYLINDRICAL HOUSING HAVING A SHAFT ALONG ITS AXIS THAT IS PARALLEL TO THE LINE OF MOVEMENT OF THE PLANTER, SAID HOUSING HAVING A SUPPLY OPENING AND A PLURALITY OF DOWNWARDLY OPENING DISCHARGE PORTS THERETHROUGH THAT OPEN DIRECTLY TO THE GROUND BENEATH THE PLANTER; A PLURALITY OF SEEDER DISCS MOUNTED ON THE SHAFT TO ROTATE THEREWITH IN PARALLEL VERTICAL PLANES TRANSVERSE TO THE LINE OF MOVEMENT OF THE PLANTER, EACH DISC HAVING SEED NOTCHES ABOUT ITS PERIPHERY THAT PASS BY THE SUPPLY OPENING ANDS OVER A CORRESPONDING DISCHARGE PORT; AND MEANS TO ROTATE THE DISCS IN RESPONSE TO HORIZONTAL MOVEMENT OF THE PLANTER, THE NOTCHES OF THE DISCS BEING ALIGNED SO THAT SUCCESSIVE NOTCHES OF ALL OF THE DISCS ARE MOVED SIMULTANEOUSLY TO DISCHARGE PORTIONS OVER THEIR CORRESPONDING DISCHARGE PORTS.
References Cited (Backward Citations)
US355948A
Cited
US669600A
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US930831A
Cited
US1168859A
Cited
US1669331A
Cited
DE821862C
Cited
US2645385A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |