Patent US3058680A successfully refreshed from Google Patents.
US3058680A
Expired / Lapsed
US
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Means for retaining wire in and releasting wire from a toroidal coil winding ring
Assignee: Individual
•
Filing: 1957-07-08
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Granted: 1962-10-16
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Expires: 1977-07-08
Abstract
No abstract record available.
Inventors
- 👤 Peterson Glen
- 👤 Fowlkes George Vernon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:51
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/06; H01F41/08; Y; Y10; Y10T; Y10T24/00; Y10T24/16; Y10T24/1676
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |