Patent US2406294A successfully refreshed from Google Patents.
US2406294A
Expired / Lapsed
US
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Insecticide
Assignee: California Spray Chemical Corp
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Filing: 1945-06-27
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Granted: 1946-08-20
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Expires: 1965-06-27
Abstract
No abstract record available.
Inventors
- 👤 James W Hansen
- 👤 Carroll C Cassil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:38
CPC Classifications
A; A01; A01N; A01N43/00; A01N43/02; A01N43/04; A01N43/06; A01N43/08
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) | 1949-08-19 | 1950-02-18 | 1950-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-19 | 1954-02-18 | 1954-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-19 | 1958-02-18 | 1958-08-20 | $7700.00 | Window Closed / Lapsed |