Patent US2901884A successfully refreshed from Google Patents.
US2901884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple core yarn
Assignee: Individual
•
Filing: 1955-01-17
•
Granted: 1959-09-01
•
Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 Jan V Weinberger
- 👤 Delcellier Henri Aime
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:37
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/36; D02G3/367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US12467A
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US206058A
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US763377A
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US763864A
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US1681234A
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US2057577A
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US2076272A
Cited
US2314924A
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US2313058A
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GB571566A
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US2387320A
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US2526523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |