Patent US2445939A successfully refreshed from Google Patents.
US2445939A
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US
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Metal salts of acyl phenol monosulfides
Assignee: Wyeth Holdings LLC
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Filing: 1941-10-31
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Granted: 1948-07-27
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Expires: 1961-10-31
Abstract
No abstract record available.
Inventors
- 👤 Elmer W Cook
- 👤 Jr William D Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:51
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C323/00; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE56003C
Cited
GB190401881A
Cited
US2033545A
Cited
US2174248A
Cited
US2195539A
Cited
US2331448A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-07-27 | 1952-01-26 | 1952-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-27 | 1956-01-26 | 1956-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-27 | 1960-01-26 | 1960-07-27 | $7700.00 | Window Closed / Lapsed |