Patent US3423266A successfully refreshed from Google Patents.
US3423266A
Expired / Lapsed
US
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Process for the production of a nonwoven web of a continuous filament yarn
Assignee: British Nylon Spinners Ltd
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Filing: 1964-12-30
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Granted: 1969-01-21
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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
2026-10-23 14:01
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/005; D04H3/009; D01; D01D; D01D5/00; D01D5/08; D01D5/098; D01D5/0985; D01D5/12; D01D5/14; D01D5/22; D02; D02G; D02G1/00; D02G1/16; D04H3/02; D04H3/08; D04H3/14; D04H3/147; D04H3/16
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |