Patent US2428615A successfully refreshed from Google Patents.
US2428615A
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Method and apparatus for drying yarn packages in an electrostatic field
Assignee: Skenandoa Rayon Corp
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Filing: 1944-12-30
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Granted: 1947-10-07
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Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 Alfred S Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:42
CPC Classifications
F; F26; F26B; F26B15/00; F26B15/10; F26B15/12; F26B15/18; D; D01; D01D; D01D10/00; D01D10/04; D01D10/0418; D01D10/06; F26B13/00; F26B13/001; F26B13/003; F26B3/00; F26B3/32; F26B3/34; F26B3/347
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2119261A
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US2231457A
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US2263681A
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US2334025A
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US2304958A
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US2325652A
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US2360108A
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US2315124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-06 | 1951-04-07 | 1951-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-06 | 1955-04-07 | 1955-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-06 | 1959-04-07 | 1959-10-07 | $7700.00 | Window Closed / Lapsed |