Patent US2982001A successfully refreshed from Google Patents.
US2982001A
Expired / Lapsed
US
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Apparatus for treating yarn
Assignee: Solutia Inc
•
Filing: 1958-07-21
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Granted: 1961-05-02
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Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 William R O'shields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:01
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1948646A
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US2185747A
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US2420399A
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US2438084A
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US2565407A
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US2675601A
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US2679086A
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US2851763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |