US2966720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming semiconductive devices
Assignee: Texas Instruments Inc
•
Filing: 1959-03-10
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Granted: 1961-01-03
•
Expires: 1979-03-10
Abstract
No abstract record available.
Inventors
- 👤 Cornelison Boyd
- 👤 Jr Elmer A Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:59
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D10/00; H10D10/01; H10D10/051; H10D10/056; H10D10/40; H10D10/441; H10D62/117; H10P; H10P50/00; H10P52/00; H10P95/00; H10P95/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2814853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |