Patent US2724415A successfully refreshed from Google Patents.
US2724415A
Expired / Lapsed
US
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Coil winding machine
Assignee: Unisys Corp
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Filing: 1951-10-25
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Granted: 1955-11-22
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Expires: 1971-10-25
Abstract
No abstract record available.
Inventors
- 👤 Henry C Orth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:57
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/04; H02K15/043; B; B21; B21F; B21F3/00; B21F3/02; B21F3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1397286A
Cited
US1465359A
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US1952803A
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US2114287A
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US2233982A
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US2187267A
Cited
US2445109A
Cited
US2533506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |