Patent US3025977A successfully refreshed from Google Patents.
US3025977A
Expired / Lapsed
US
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Coil winding machine
Assignee: Individual
•
Filing: 1959-02-25
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Granted: 1962-03-20
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Expires: 1979-02-25
Abstract
No abstract record available.
Inventors
- 👤 John M Biddison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:52
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/08; H02K15/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1627792A
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US1945426A
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US2061358A
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US2301674A
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US2763229A
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US2811266A
Cited
US2835372A
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US2947427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |