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Patent US3417352A successfully refreshed from Google Patents.
US3417352A
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Corona reduction on printed circuit tuning stubs
Assignee: Nortel Networks Ltd
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Filing: 1964-12-21
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Granted: 1968-12-17
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Milford J Waller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:15
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/08; H01P3/081; H01P7/00; H01P7/08; H01P7/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2401296A
Cited
US2751558A
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US2794174A
Cited
US2964718A
Cited
GB798629A
Cited
US2915716A
Cited
US2937347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |