Patent US3387189A successfully refreshed from Google Patents.
US3387189A
Expired / Lapsed
US
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High frequency diode with small spreading resistance
Assignee: Boeing North American Inc
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Filing: 1964-04-20
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Granted: 1968-06-04
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Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Dean B Anderson
- 👤 Rudolf R August
- 👤 Jerry C Aukland
- 👤 Richard L Palmquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:44
CPC Classifications
H; H10; H10W; H10W72/00; H10D; H10D99/00; H10F; H10F99/00; H10W72/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2864980A
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US3169197A
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US3013955A
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US2970275A
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US2999940A
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US3114864A
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US3114881A
Cited
US3119073A
Cited
US3184823A
Cited
US3304430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |