US2463591A
Expired / Lapsed
US
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Bobbin-spindle assembly
Assignee: Akzo Nobel UK PLC
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Filing: 1944-11-30
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Granted: 1949-03-08
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Expires: 1964-11-30
Abstract
No abstract record available.
Inventors
- 👤 Ernest K Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:46
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2601/00; B65H2601/50; B65H2601/52; B65H2601/524; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/50; B65H2701/51; B65H2701/512; B65H2701/5122; B65H2701/513; B65H2701/5134; B65H2701/51342; B65H2701/5136; B65H2701/515; B65H2701/5152; B65H2701/51526; B65H2701/51528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-07 | 1952-09-06 | 1953-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-07 | 1956-09-06 | 1957-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-07 | 1960-09-06 | 1961-03-08 | $7700.00 | Window Closed / Lapsed |