Patent US2569661A successfully refreshed from Google Patents.
US2569661A
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Bobbin winding machine
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1946-03-30
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Granted: 1951-10-02
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Expires: 1966-03-30
Abstract
No abstract record available.
Inventors
- 👤 Russell P Drake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:05
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/10; B65H54/14; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18416; Y10T74/18464
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2234356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |