Patent US3413716A successfully refreshed from Google Patents.
US3413716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin-film inductor elements
Assignee: Xerox Corp
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Filing: 1965-04-30
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Granted: 1968-12-03
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Expires: 1985-04-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Schwertz
- 👤 Frederick H Smith Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:14
CPC Classifications
H; H01; H01F; H01F17/00; H01F17/0006; H01F17/0033; H01F2017/004; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902
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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |