US2661868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Germicide seed treating apparatus
Assignee: Individual
•
Filing: 1948-11-29
•
Granted: 1953-12-08
•
Expires: 1968-11-29
Abstract
No abstract record available.
Inventors
- 👤 Andrew O Siren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:24
CPC Classifications
A; A01; A01C; A01C1/00; A01C1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US89154A
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US442717A
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US616863A
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US768317A
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US930086A
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US944396A
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US1218250A
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US1405707A
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US1546069A
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US2026499A
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US2207924A
Cited
US2255468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |