US2416151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of cellulosic materials with improved crease-resisting properties
Assignee: Akzo Nobel UK PLC
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Filing: 1943-11-26
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Granted: 1947-02-18
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Expires: 1963-11-26
Abstract
No abstract record available.
Inventors
- 👤 Boulton John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:59
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB291473A
Cited
US1905999A
Cited
US2093651A
Cited
GB437441A
Cited
US2219375A
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GB456307A
Cited
GB457659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |