US3061229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for winding coreless coils
Assignee: Individual
•
Filing: 1958-11-12
•
Granted: 1962-10-30
•
Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 Crum Eben Jefferson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:22
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/76; B65H54/80; B65H54/82; B21; B21C; B21C47/00; B21C47/02; B21C47/10; B21C47/14; B21C47/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE520105A
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US334453A
Cited
US627722A
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US2214333A
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US2703686A
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US2886258A
Cited
US2929574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |