US3536964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor device sealed gas-tight by thixotropic material
Assignee: Siemens AG
•
Filing: 1967-07-13
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Granted: 1970-10-27
•
Expires: 1987-07-13
Abstract
No abstract record available.
Inventors
- 👤 Udo Lob
- 👤 Hans-Jurgen Nixdorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:46
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/13; H10W76/138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2636062A
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US3085180A
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GB926423A
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US3223903A
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US3299328A
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US3221277A
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US3241010A
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US3231795A
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US3310716A
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US3328650A
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US3337678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |