US3369931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N, n'-bis(acyloxymethyl)urons as finishes for cellulosic textile materials, a textile treated therewith, and a process for manufacturing said urons
Assignee: Wyeth Holdings LLC
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Filing: 1964-08-14
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Granted: 1968-02-20
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Expires: 1984-08-14
Abstract
No abstract record available.
Inventors
- 👤 Beachem Michael Thomas
- 👤 Oppelt John Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:01
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/35; D06M13/355; C; C07; C07D; C07D273/00; C07D273/02; C07D273/04; D06M13/402; D06M13/432; D06M2101/00; D06M2101/02; D06M2101/04; D06M2101/06; D06M2200/00; D06M2200/20; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/2971; Y10T442/00; Y10T442/20; Y10T442/2369; Y10T442/2393
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2373135A
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US2485203A
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US3089859A
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US3048500A
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US3063869A
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US3264241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |