Patent US2568960A successfully refreshed from Google Patents.
US2568960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winder
Assignee: Drummondville Cotton Co Ltd
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Filing: 1948-11-12
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Granted: 1951-09-25
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Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 John G Kershaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:18
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/38; B65H59/382; 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) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |