Patent US2867946A successfully refreshed from Google Patents.
US2867946A
Expired / Lapsed
US
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Method of forming seed starters
Assignee: Northrup King and Co
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Filing: 1957-06-13
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Granted: 1959-01-13
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Expires: 1977-06-13
Abstract
No abstract record available.
Inventors
- 👤 Roger D Kobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:46
CPC Classifications
A; A01; A01C; A01C1/00; A01C1/02; A01G; A01G9/00; A01G9/02; A01G9/029; A01G9/0295; Y; Y10; Y10S; Y10S428/00; Y10S428/90
Claims Analysis
Total Claims: 0
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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) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |