US3383241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing modacrylic fibers with hydroxyphenyl 2h-benzotriazoles
Assignee: Union Carbide Corp
•
Filing: 1962-12-03
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Granted: 1968-05-14
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Expires: 1982-12-03
Abstract
No abstract record available.
Inventors
- 👤 Sr Charles W Davisson
- 👤 William R Dent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:46
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/70; D06M; D06M13/00; D06M13/322; D06M13/35; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P1/6426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3055896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |