Patent US2847424A successfully refreshed from Google Patents.
US2847424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated esters of nitrofurfuryl alcohol
Assignee: Warner Chilcott Pharmaceuticals Inc
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Filing: 1953-07-03
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Granted: 1958-08-12
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Expires: 1973-07-03
Abstract
No abstract record available.
Inventors
- 👤 William C Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:12
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/70; C07D307/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A COMPOUND HAVING FUNGICIDAL ACTIVITY AND REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
10 words
A COMPOUND HAVING FUNGICIDAL ACTIVITY AND REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2410197A
Cited
US2319481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |