Patent US2495917A successfully refreshed from Google Patents.
US2662364A
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Yarn tensioning means for twisters
Assignee: North American Rayon Corp
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Filing: 1949-09-29
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Granted: 1953-12-15
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Expires: 1969-09-29
Abstract
No abstract record available.
Inventors
- 👤 Chadwick B Kingsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:45
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/10; D01H13/104; D01H13/106; B; B65; B65H; B65H59/00; B65H59/10; B65H59/20; B65H59/22; B65H59/225; D01H1/00; D01H1/10; D01H1/105; D01H1/106; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |