US2563039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of artificial yarns
Assignee: Individual
•
Filing: 1947-08-01
•
Granted: 1951-08-07
•
Expires: 1967-08-01
Abstract
No abstract record available.
Inventors
- 👤 Moulton L Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:43
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0454; D02; D02J; D02J1/00; D02J1/22; D02J1/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1847161A
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US2302508A
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GB539200A
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US2421624A
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US2421750A
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US2424490A
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US2475483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |