US1595538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing pyrethrum insecticides
Assignee: YUJI NOSAWA
•
Filing: 1925-01-02
•
Granted: 1926-08-10
•
Expires: 1945-01-02
Abstract
No abstract record available.
Inventors
- 👤 Yamamoto Hisao
- 👤 Inouye Kanichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:42
CPC Classifications
A; A01; A01N; A01N65/00; A01N65/08; A01N65/12; Y; Y02; Y02A; Y02A50/00; Y02A50/30
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) | 1929-08-09 | 1930-02-08 | 1930-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-08-09 | 1934-02-08 | 1934-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-08-09 | 1938-02-08 | 1938-08-10 | $7700.00 | Window Closed / Lapsed |