Patent US2481048A successfully refreshed from Google Patents.
US2481048A
Expired / Lapsed
US
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Apparatus for preparing fiber products
Assignee: Akzo Nobel UK PLC
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Filing: 1946-04-06
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Granted: 1949-09-06
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Expires: 1966-04-06
Abstract
No abstract record available.
Inventors
- 👤 Robert A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
D; D01; D01G; D01G1/00; D01G1/06; D01G1/08; D01G1/081; D01G1/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1309696A
Cited
US1746208A
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US2090502A
Cited
US2323300A
Cited
US2248057A
Cited
US2362572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |