US2951191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor devices
Assignee: RCA Corp
•
Filing: 1958-08-26
•
Granted: 1960-08-30
•
Expires: 1978-08-26
Abstract
No abstract record available.
Inventors
- 👤 Gerald B Herzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:06
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D48/36; H10D30/00; H10D30/80; H10D62/00; H10D62/01; H10D62/10; H10D99/00; H10P; H10P52/00; Y; Y10; Y10S; Y10S438/00; Y10S438/977
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2648805A
Cited
US2744970A
Cited
US2748041A
Cited
US2836797A
Cited
US2820154A
Cited
US2869055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |