Patent US3561187A successfully refreshed from Google Patents.
US3561187A
Expired / Lapsed
US
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Method and apparatus for making seed tape
Assignee: Waldo Rohnert Co
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Filing: 1968-03-20
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Granted: 1971-02-09
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Expires: 1988-03-20
Abstract
Abstract WATER-SOLUBLE TAPE IS MOISTENED TO MAKE IT TACKY, IS TROUGHED, AND IS MOVED PAST A SEED-DISPENSING STATION WHERE AT SPACED INTERVALS ONE SEED AT A TIME (OR ONE GROUP OF SEEDS AT A TIME) IS DEPOSITED IN THE TAPE. THE TAPE IS THEN CLOSED TO ENCAPSULATE THE SEED AND WOUND AROUND A CORE. THE SEEDS ARE DISPENSED BY A ROTARY DEVICE WITH NOZZLES THAT PASS OVER A SEED TRAY, PICK UP ONE SEED AT EACH NOZZLE BY VACUUM, AND DROP THE SEED UPON RELEASE OF THE VACUUM.
Inventors
- 👤 Frederick W Rohnert
- 👤 James William Chaney
- 👤 Haruto Okita
- 👤 Burnie M Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:47
CPC Classifications
A; A01; A01C; A01C1/00; A01C1/04; A01C1/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |