Patent US3464109A successfully refreshed from Google Patents.
US3464109A
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Method of manufacturing electrical induction coils
Assignee: Re Uptegraff Manufacturing Co
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Filing: 1966-10-07
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Granted: 1969-09-02
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Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 Delbert R Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:50
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/28; H01F27/2847; H01F27/2852; H01F2027/2857; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1739; Y10T29/00; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |