Patent US2493927A successfully refreshed from Google Patents.
US2493927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methylenedioxyphenyl compound as insecticide, insect repellent, and pyrethrin synergist
Assignee: Boyce Thompson Institute
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Filing: 1946-02-08
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Granted: 1950-01-10
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Expires: 1966-02-08
Abstract
No abstract record available.
Inventors
- 👤 Edward A Prill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:36
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
AN INSECTICIDAL COMPOSITION COMPRISING AN ORGANIC COMPOUND REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
11 words
AN INSECTICIDAL COMPOSITION COMPRISING AN ORGANIC COMPOUND REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2352078A
Cited
US2430116A
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US2362128A
Cited
US2352079A
Cited
US2326350A
Cited
US2431844A
Cited
US2421570A
Cited
US2421569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |