US3481031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of providing at least two juxtaposed contacts on a semiconductor body
Assignee: US Philips Corp
•
Filing: 1967-04-11
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Granted: 1969-12-02
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Expires: 1987-04-11
Abstract
No abstract record available.
Inventors
- 👤 Hendrik Anne Klasens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:06
CPC Classifications
H; H10; H10P; H10P95/00; H10D; H10D64/00; H10D64/01; H10D64/011; H10D99/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563503A
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US2588254A
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US2735948A
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US2787564A
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US2989385A
Cited
US2981877A
Cited
US3298863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |