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US2416522A
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Nu-alkylbenzamide and pyrethrum insecticides
Assignee: National Aeronautics and Space Administration
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Filing: 1943-10-30
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Granted: 1947-02-25
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Expires: 1963-10-30
Abstract
No abstract record available.
Inventors
- 👤 Samuel I Gertler
- 👤 Herbert L J Haller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:38
CPC Classifications
A; A01; A01N; A01N65/00; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2166120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |