Patent US2597831A successfully refreshed from Google Patents.
US970203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning-machine.
Assignee: Individual
•
Filing: 1909-04-10
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Granted: 1910-09-13
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Expires: 1929-04-10
Abstract
No abstract record available.
Inventors
- 👤 Sebastian Ziani De Ferranti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:29
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/30; D01H13/306; Y; Y10; Y10S; Y10S118/00; Y10S118/19
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) | 1913-09-12 | 1914-03-14 | 1914-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-12 | 1918-03-14 | 1918-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-12 | 1922-03-14 | 1922-09-13 | $7700.00 | Window Closed / Lapsed |