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Patent US2543931A successfully refreshed from Google Patents.
US2543931A
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Bobbin winding machine
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1945-05-26
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Granted: 1951-03-06
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Expires: 1965-05-26
Abstract
No abstract record available.
Inventors
- 👤 Burt A Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:19
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/02; B65H54/10; B65H54/14; B65H67/00; B65H67/06; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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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) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |