US2168523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating seeds
Assignee: —
•
Filing: —
•
Granted: 1939-08-08
•
Expires: 1956-08-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:00
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/90; C; C07; C07D; C07D339/00; C07D339/02; C07D339/06; Y; Y10; Y10S; Y10S260/00; Y10S260/47; Y10S524/00; Y10S524/925; Y10S524/926
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) | 1942-08-07 | 1943-02-06 | 1943-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-07 | 1947-02-06 | 1947-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-07 | 1951-02-06 | 1951-08-08 | $7700.00 | Window Closed / Lapsed |