US2743066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous coil winding machine
Assignee: Individual
•
Filing: 1952-06-05
•
Granted: 1956-04-24
•
Expires: 1972-06-05
Abstract
No abstract record available.
Inventors
- 👤 Crum Eben Jefferson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:12
CPC Classifications
B; B21; B21C; B21C47/00; B21C47/02; B21C47/10; B21C47/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US480565A
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US520942A
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US627722A
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US1295139A
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US1808038A
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US1601415A
Cited
US1984744A
Cited
DE873986C
Cited
US2216224A
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FR951463A
Cited
US2407353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |