US3515036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy-to-transplant seedbed holder and its manufacturing method
Assignee: Nippon Tensai Seito KK
•
Filing: 1967-12-27
•
Granted: 1970-06-02
•
Expires: 1987-12-27
Abstract
No abstract record available.
Inventors
- 👤 Takehiro Oki
- 👤 Akira Ota
- 👤 Teruyoshi Masuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:08
CPC Classifications
B; B31; B31D; B31D3/00; B31D3/02; A; A01; A01G; A01G9/00; A01G9/02; A01G9/029; A01G9/0295; Y; Y10; Y10S; Y10S493/00; Y10S493/951; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T156/1007; Y10T156/1015; Y10T156/1051; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2593092A
Cited
US3164507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |