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US2958112A
Expired / Lapsed
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Yarn-treating apparatus
Assignee: EIDP Inc
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Filing: 1956-08-16
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Granted: 1960-11-01
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Expires: 1976-08-16
Abstract
No abstract record available.
Inventors
- 👤 John N Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:55
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2224923A
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US2435891A
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US2783609A
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US2852906A
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US2681729A
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FR1100529A
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US2807862A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |