US2484545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shrinkage control of cellulosic fibers
Assignee: Alrose Chemical Co
•
Filing: 1947-01-18
•
Granted: 1949-10-11
•
Expires: 1967-01-18
Abstract
No abstract record available.
Inventors
- 👤 Beer Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:13
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/123; D06M11/00; D06M11/32; D06M11/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1591922A
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GB439294A
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GB452150A
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GB460201A
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GB484691A
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GB518167A
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GB547846A
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US2412832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |