US2451468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding of yarn
Assignee: Akzo Nobel UK PLC
•
Filing: 1944-07-01
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Granted: 1948-10-19
•
Expires: 1964-07-01
Abstract
No abstract record available.
Inventors
- 👤 Garfield L Boyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:03
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; B65H75/242; B65H75/245; B65H75/28; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US712986A
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US928507A
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US1029020A
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US1681263A
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GB332936A
Cited
US2047491A
Cited
US2035930A
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US2048995A
Cited
US2176970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |