US3030039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual yarn winding apparatus
Assignee: Akzo Nobel UK PLC
•
Filing: 1955-12-15
•
Granted: 1962-04-17
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Expires: 1975-12-15
Abstract
No abstract record available.
Inventors
- 👤 Ingham S Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:45
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/28; B65H54/34; B65H54/40; B65H54/54; B65H54/70; B65H54/71; B65H54/86; B65H54/88; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2377772A
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US2365980A
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US2395891A
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US2481031A
Cited
DE917236C
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US2623240A
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US2815905A
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US2751161A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |