US2678504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying cut staple
Assignee: Akzo Nobel UK PLC
•
Filing: 1951-06-14
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Granted: 1954-05-18
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Expires: 1971-06-14
Abstract
No abstract record available.
Inventors
- 👤 Wallace A Knopp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:21
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/50; D; D01; D01D; D01D10/00; D01D10/04; D01D10/049; D01D10/06; F26B17/00; F26B17/02; F26B17/04; F26B21/20; F26B21/25; F26B21/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US473263A
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US847038A
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AT50883B
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US1169682A
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US1778318A
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US2360257A
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CH238094A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-17 | 1957-11-16 | 1958-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-17 | 1961-11-16 | 1962-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-17 | 1965-11-16 | 1966-05-18 | $7700.00 | Window Closed / Lapsed |