US2948835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor structure
Assignee: Texas Instruments Inc
•
Filing: 1958-10-21
•
Granted: 1960-08-09
•
Expires: 1978-10-21
Abstract
No abstract record available.
Inventors
- 👤 Walter R Runyan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:49
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/12; H10W76/161; H10W72/00; H10W72/50; H10W72/531; H10W72/536
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2825014A
Cited
US2817048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |