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US3481558A
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US
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Process for making a bulky,multifilament,substantially twistless synthetic yarn and product thereof
Assignee: British Nylon Spinners Ltd
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Filing: 1964-12-30
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Granted: 1969-12-02
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Barrie Linton Davies
- 👤 Alan Selwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:13
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/005; D04H3/009; D01; D01D; D01D5/00; D01D5/08; D01D5/098; D01D5/0985; D01D5/22; D01F; D01F6/00; D01F6/58; D01F6/62; D02; D02G; D02G1/00; D02G1/16; D02G1/168; D04H3/011; D04H3/08; D04H3/16; B; B29; B29C; B29C48/00; B29C48/03; B29C48/06; B29C48/15; B29C48/156; B29C48/16; B29C48/18; B29C48/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3083523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |