US3436614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonrectifying laminated ohmic contact for semiconductors consisting of chromium and 80% nickel
Assignee: Shiba Electric Co Ltd
•
Filing: 1966-04-18
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Granted: 1969-04-01
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Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Hiroshi Nagatsu
- 👤 Yoshiaki Mimura
- 👤 Hideo Izumi
- 👤 Yoshihiro Masuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:41
CPC Classifications
H; H10; H10P; H10P95/00; H01; H01C; H01C1/00; H01C1/14; H10P14/00; H10P14/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2863105A
Cited
US2973466A
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US3310711A
Cited
US3196329A
Cited
US3258898A
Cited
US3268309A
Cited
US3325702A
Cited
US3287610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |