US3374288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polycarbonamide filaments containing polyalkylene oxide, sodium phenyl phosphinate and sodium aminoalkylphosphinate
Assignee: EIDP Inc
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Filing: 1965-09-03
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Granted: 1968-03-19
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Ronald F Lange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5313; Y; Y10; Y10S; Y10S524/00; Y10S524/91; Y10S524/912; Y10S525/00; Y10S525/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |