US3399146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted trisulfonylmethanes in a method of modifying surface properties of liquids and solids
Assignee: Wyeth Holdings LLC
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Filing: 1965-08-31
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Granted: 1968-08-27
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Expires: 1985-08-31
Abstract
No abstract record available.
Inventors
- 👤 Scanley Clyde Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:54
CPC Classifications
C; C07; C07C; C07C317/00; C07C317/02; C07C317/04; C07C317/14; C07F; C07F1/00; C08; C08F; C08F2/00; C08F2/12; C08F2/16; C08F2/22; C08F2/24; C09; C09K; C09K23/00; C09K23/02; C10; C10M; C10M1/00; C10M1/08; C11; C11D; C11D1/00; C11D1/002; D; D06; D06M; D06M13/00; D06M13/244; D06M13/248; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/09; C10M2219/00; C10M2219/04; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/08; C10N2010/10; C10N2010/14; C10N2010/16; C10N2050/00; C10N2050/10; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/905; Y10S516/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |