US2649071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thread treating machine
Assignee: Dan River Mills Inc
•
Filing: 1948-04-24
•
Granted: 1953-08-18
•
Expires: 1968-04-24
Abstract
No abstract record available.
Inventors
- 👤 Russell B Newton
- 👤 Ollie L Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:50
CPC Classifications
D; D06; D06C; D06C29/00; D06B; D06B3/00; D06B3/10; D06B3/18; Y; Y10; Y10S; Y10S118/00; Y10S118/19
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1877488A
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US2128121A
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US2260860A
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US2404952A
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US2419922A
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US2381398A
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US2476298A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |