US3385729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite dual dielectric for isolation in integrated circuits and method of making
Assignee: Boeing North American Inc
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Filing: 1964-10-26
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Granted: 1968-05-28
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Expires: 1984-10-26
Abstract
No abstract record available.
Inventors
- 👤 George A Larchian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:20
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/60; H10P14/69; H10P14/694; H10P14/6943; H10P14/69433; H10P14/66; H10P14/662; H10P14/692; H10P14/6921; H10P14/69215; H10W; H10W10/00; H10W10/01; H10W10/011; H10W10/019; H10W10/10; H10W74/00; H10W74/40; H10P14/63; H10P14/6326; H10P14/6328; H10P14/6334; Y; Y10; Y10S; Y10S148/00; Y10S148/085; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1415280A
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US2501051A
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US2865715A
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US2992127A
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US3222438A
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US3273033A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |