Patent US2969888A successfully refreshed from Google Patents.
US2969888A
Expired / Lapsed
US
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Winding machine
Assignee: Leesona Corp
•
Filing: 1957-10-31
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Granted: 1961-01-31
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Expires: 1977-10-31
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Whiting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:29
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/061; H01F41/063; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1343; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T83/00; Y10T83/869; Y10T83/872; Y10T83/8722; Y10T83/8776; Y10T83/8785; Y10T83/8786; Y10T83/8798; Y10T83/8802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1990819A
Cited
US2313306A
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US2569513A
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US2486832A
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US2460556A
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US2534119A
Cited
US2572663A
Cited
US2705978A
Cited
US2774018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |