Patent US1713254A successfully refreshed from Google Patents.
Patent US3623266A successfully refreshed from Google Patents.
US3623266A
Expired / Lapsed
US
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Seed tape for seeding
Assignee: Toei Sangyo Co Ltd
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Filing: 1970-03-31
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Granted: 1971-11-30
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Expires: 1990-03-31
Abstract
Abstract THE SEED TAPE OF THIS INVENTION CONSISTS OF A TAPE BEING SOLUBLE OR DECOMPOSED IN WATER, IN WHICH PLANT SEEDS ARE WRAPPED AT CERTAIN INTERVALS AND THE OUTSIDE OF WHICH IS BOUND WHICH AT LEAST TWO STRINGS WOUND HELICALLY IN OPPOSITE DIRECTIONS.
Inventors
- 👤 Masakazu Nakayama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:12
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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |