US2640006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-organolead-phthalimides as fungicides
Assignee: Ethyl Corp
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Filing: 1950-10-28
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Granted: 1953-05-26
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Expires: 1970-10-28
Abstract
No abstract record available.
Inventors
- 👤 Waldo B Ligett
- 👤 Rex D Closson
- 👤 Calvin N Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:01
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04; A; A01; A01N; A01N43/00; A01N43/90; A01N2300/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A FUNGICIDAL COMPOSITION CONSISTING ESSENTIALLY OF A MATERIAL HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
12 words
A FUNGICIDAL COMPOSITION CONSISTING ESSENTIALLY OF A MATERIAL HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |