Patent US3471426A successfully refreshed from Google Patents.
US3471426A
Expired / Lapsed
US
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Polyamide containing dispersed polyolefin and fatty dispersing agent
Assignee: British Nylon Spinners Ltd
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Filing: 1965-10-06
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Granted: 1969-10-07
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Expires: 1985-10-06
Abstract
No abstract record available.
Inventors
- 👤 Martin Richard Hofton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:45
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/88; D01F6/90; C; C08; C08L; C08L67/00; C08L67/02; C08L75/00; C08L77/00; C08L77/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3312755A
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US3330796A
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US3093255A
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US3330899A
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US3262989A
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US3272890A
Cited
US3326826A
Cited
US3351676A
Cited
US3342762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |