Patent US3952173A successfully refreshed from Google Patents.
Patent US2993934A successfully refreshed from Google Patents.
US2993934A
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US
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Derivatives of pentachlorophenol
Assignee: Diamond Shamrock Corp
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Filing: 1956-08-08
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Granted: 1961-07-25
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Expires: 1976-08-08
Abstract
No abstract record available.
Inventors
- 👤 Rosen Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:28
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/04; A; A01; A01N; A01N57/00; A01N57/10; A01N57/14; C07C; C07C205/00; C07C205/49; C07C205/57; C07C309/00; C07C309/63; C07C309/72; C07C309/73; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/18; C07D215/16; C07D215/20; C07D215/24; C07D215/26; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2401261A
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US2430017A
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US2542604A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |