US3220370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seed planter attachment
Assignee: Individual
•
Filing: 1964-05-01
•
Granted: 1965-11-30
•
Expires: 1984-05-01
Abstract
No abstract record available.
Inventors
- 👤 Frank E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:06
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
250 words
AN ARTICLE OF MANUFACTURE COMPRISING AN ATTACHMENT FOR A SEED PLANTER INCLUDING AN ELONGATED LEVER HAVING A PAIR OF OPPOSED ENDS, A DISC ROTATABLY-MOUNTED ON ONE END OF SAID LEVER, SAID DISC HAVING A SUBSTANTIALLY CYLINDRICAL DRUM PROJECTING LATERALLY FROM THE CIRCUMFERENTIAL MARGINAL EDGE THEREOF, SAID DRUM HAVING A PLURALITY OF CIRCUMFERENTIALLY-SPACED OPENINGS EXTENDING TRANSVERSELY THERETHROUGH, A PLURALITY OF GROUND-ENGAGING LUGS SECURED TO AND PROJECTING BEYOND THE OUTER PERIPHERY OF SAID DISC AND BEYOND THE OUTER PERIPHERY OF SAID DRUM, SAID GROUND-ENGAGING LUGS BEING DISPOSED IN CIRCUMFERENTIALLY-SPACED RELATION RELATIVE TO ONE ANOTHER, A SUBSTANTIALLY HOLLOW TUBE FOR EACH OF SAID OPENINGS, SAID TUBE HAVING A PAIR OF OPPOSED ENDS, EACH OF SAID TUBES HAVING ONE OF THEIR RESPECTIVE ENDS FIXEDLY SECURED TO SAID DRUM ADJACENT THE MARGINAL EDGE OF EACH OF SAID OPENINGS AND THE OTHER ENDS OF SAID TUBES PROJECTING RADIALLY AWAY FROM SAID DRUM, A PLURALITY OF ELONGATED SUBSTANTIALLY HOLLOW CYLINDRICAL FLEXIBLE SEED-DISCHARGE NOZZLES, THERE BEING A FLEXIBLE SEED-DISCHARGE NOZZLE FOR EACH OF SAID TUBES, EACH OF SAID FLEXIBLE SEED-DISCHARGE NOZZLES HAVING ONE OF THEIR RESPECTIVE ENDS FIXEDLY SECURED TO THE OTHER ENDS OF SAID TUBES WITH THE OTHER ENDS OF SAID FLEXIBLE SEED-DISCHARGE NOZZLES EXTENDING AWAY FROM SAID OTHER ENDS OF SAID DISCHARGE TUBES, AN ELONGATED SUBSTANTIALLY HOLLOW SEED-DISCHARGE MEMBER FIXEDLY SECURED TO SAID LEVER INTERMEDIATE ITS ENDS, SAID MEMBER HAVING AN OPEN SEED-DISCHARGE END ENGAGING THE INNER SIDE OF SAID DRUM AND DISPOSED IN THE PATH OF TRAVEL OF SAID OPENINGS AS SAID DISC IS ROTATED.
Claim 2
Dependent Claim
250 words
AN ARTICLE OF MANUFACTURE COMPRISING AN ATTACHMENT FOR A SEED PLANTER INCLUDING AN ELONGATED LEVER HAVING A PAIR OF OPPOSED ENDS, A DISC ROTATABLY-MOUNTED ON ONE END OF SAID LEVER, SAID DISC HAVING A SUBSTANTIALLY CYLINDRICAL DRUM PROJECTING LATERALLY FROM THE CIRCUMFERENTIAL MARGINAL EDGE THEREOF, SAID DRUM HAVING A PLURALITY OF CIRCUMFERENTIALLY-SPACED OPENINGS EXTENDING TRANSVERSELY THERETHROUGH, A PLURALITY OF GROUND-ENGAGING LUGS SECURED TO AND PROJECTING BEYOND THE OUTER PERIPHERY OF SAID DISC AND BEYOND THE OUTER PERIPHERY OF SAID DRUM, SAID GROUND-ENGAGING LUGS BEING DISPOSED IN CIRCUMFERENTIALLY-SPACED RELATION RELATIVE TO ONE ANOTHER, A SUBSTANTIALLY HOLLOW TUBE FOR EACH OF SAID OPENINGS, SAID TUBE HAVING A PAIR OF OPPOSED ENDS, EACH OF SAID TUBES HAVING ONE OF THEIR RESPECTIVE ENDS FIXEDLY SECURED TO SAID DRUM ADJACENT THE MARGINAL EDGE OF EACH OF SAID OPENINGS AND THE OTHER ENDS OF SAID TUBES PROJECTING RADIALLY AWAY FROM SAID DRUM, A PLURALITY OF ELONGATED SUBSTANTIALLY HOLLOW CYLINDRICAL FLEXIBLE SEED-DISCHARGE NOZZLES, THERE BEING A FLEXIBLE SEED-DISCHARGE NOZZLE FOR EACH OF SAID TUBES, EACH OF SAID FLEXIBLE SEED-DISCHARGE NOZZLES HAVING ONE OF THEIR RESPECTIVE ENDS FIXEDLY SECURED TO THE OTHER ENDS OF SAID TUBES WITH THE OTHER ENDS OF SAID FLEXIBLE SEED-DISCHARGE NOZZLES EXTENDING AWAY FROM SAID OTHER ENDS OF SAID DISCHARGE TUBES, AN ELONGATED SUBSTANTIALLY HOLLOW SEED-DISCHARGE MEMBER FIXEDLY SECURED TO SAID LEVER INTERMEDIATE ITS ENDS, SAID MEMBER HAVING AN OPEN SEED-DISCHARGE END ENGAGING THE INNER SIDE OF SAID DRUM AND DISPOSED IN THE PATH OF TRAVEL OF SAID OPENINGS AS SAID DISC IS ROTATED.
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |