US2874444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of curly yarn
Assignee: EIDP Inc
•
Filing: 1954-02-17
•
Granted: 1959-02-24
•
Expires: 1974-02-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest J Griset
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:42
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2379824A
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US2475922A
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US2504523A
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US2638146A
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US2661588A
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US2783609A
Cited
US2852906A
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US2807862A
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US2829420A
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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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |