US1983413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for twisting textile filamentary material
Assignee: Pirelli and C SpA
•
Filing: 1933-10-19
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Granted: 1934-12-04
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Expires: 1953-10-19
Abstract
No abstract record available.
Inventors
- 👤 Spagnolo Sesto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:31
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0408; D; D01; D01H; D01H1/00; D01H1/10; D07; D07B; D07B7/00; D07B7/02; D07B7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-12-03 | 1938-06-04 | 1938-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-03 | 1942-06-04 | 1942-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-03 | 1946-06-04 | 1946-12-04 | $7700.00 | Window Closed / Lapsed |