US3320485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric isolation for monolithic circuit
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1964-03-30
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Granted: 1967-05-16
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Buie James Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:50
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10D99/00; H10W; H10W10/00; H10W10/01; H10W10/011; H10W10/019; H10W10/10; Y; Y10; Y10S; Y10S148/00; Y10S148/026; Y10S148/049; Y10S148/05; Y10S148/062; Y10S148/085; Y10S148/118; Y10S148/122; Y10S148/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3078549A
Cited
US3158788A
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US3239908A
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US3178804A
Cited
US3176192A
Cited
US3235428A
Cited
US3197710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |