Patent US2962794A successfully refreshed from Google Patents.
US2962794A
Expired / Lapsed
US
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Method of producing elastic yarn and product
Assignee: EIDP Inc
•
Filing: 1954-03-29
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Granted: 1960-12-06
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Expires: 1974-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick C Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:08
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2414800A
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GB558297A
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US2379824A
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US2413123A
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US2564245A
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US2671745A
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US2638146A
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US2783609A
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US2604689A
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US2807862A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |