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Patent US2959909A successfully refreshed from Google Patents.
US2959909A
Expired / Lapsed
US
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Bulked yarn and method for producing same
Assignee: Akzona Inc
•
Filing: 1957-04-01
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Granted: 1960-11-15
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Expires: 1977-04-01
Abstract
No abstract record available.
Inventors
- 👤 Ansel C Sutherland
- 👤 Hilliard H Penland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:15
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2026736A
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US2379824A
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US2557433A
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US2504523A
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US2661588A
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US2783609A
Cited
US2852906A
Cited
US2874443A
Cited
US2807864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |