US3439392A
Expired / Lapsed
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Method and apparatus for texturizing synthetic thermoplastic yarns
Assignee: JP Stevens and Co Inc
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Filing: 1965-10-08
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Granted: 1969-04-22
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Expires: 1985-10-08
Abstract
No abstract record available.
Inventors
- 👤 Robert Francis Mcnab Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:36
CPC Classifications
D; D02; D02G; D02G1/00; B; B29; B29C; B29C65/00; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7891; B29C66/00; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C65/02; B29C65/08; B29C66/69; B29C66/71; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/8167; B29C66/83; B29C66/832; B29C66/8322; B29C66/90; B29C66/95; B29C66/951; B29C66/9512; B29C66/9513; B29C66/9517
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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |