Patent DE2166972A1 successfully refreshed from Google Patents.
US2894184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical characteristics of diodes
Assignee: Raytheon Co
•
Filing: 1955-06-29
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Granted: 1959-07-07
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Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 Carlos W Veach
- 👤 Robert L Crone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:10
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10W74/43; H10W72/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2704818A
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US2671156A
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US2736822A
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US2717343A
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US2798189A
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US2736847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-06 | 1963-01-05 | 1963-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-06 | 1967-01-05 | 1967-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-06 | 1971-01-05 | 1971-07-07 | $7700.00 | Window Closed / Lapsed |