US2502809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating seed and seed products
Assignee: SEED PELLETS Inc
•
Filing: 1944-02-24
•
Granted: 1950-04-04
•
Expires: 1964-02-24
Abstract
No abstract record available.
Inventors
- 👤 Vogelsang Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:56
CPC Classifications
A; A01; A01C; A01C1/00; A01C1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US56140A
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DE506731C
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DE508520C
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US2017090A
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US2168332A
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US2313057A
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US2339335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-03 | 1953-10-03 | 1954-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-03 | 1957-10-03 | 1958-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-03 | 1961-10-03 | 1962-04-04 | $7700.00 | Window Closed / Lapsed |