US2771639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for drafting fibrous materials
Assignee: Individual
•
Filing: 1951-05-28
•
Granted: 1956-11-27
•
Expires: 1971-05-28
Abstract
No abstract record available.
Inventors
- 👤 Aymerich Jose Maria Bosch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:40
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US128618A
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US317675A
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US541046A
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FR693422A
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US2238659A
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US2203423A
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US2244461A
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US2422444A
Cited
US2472929A
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GB649109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |