US3436279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making a transistor with an inverted structure
Assignee: Philips North America LLC
•
Filing: 1964-12-16
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Granted: 1969-04-01
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Expires: 1984-12-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:17
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10D84/615; H10D84/01; H10D84/0112; H10D84/02; H10D84/03; H10D84/038; H10W; H10W20/00; H10W20/40; Y; Y10; Y10S; Y10S148/00; Y10S148/037; Y10S148/049; Y10S148/085; Y10S148/151
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3089794A
Cited
US3149395A
Cited
US3260624A
Cited
US3189973A
Cited
US3260902A
Cited
US3244950A
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 |