US2933663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor devices
Assignee: The General Electric Company PLC
•
Filing: 1956-03-29
•
Granted: 1960-04-19
•
Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 Connell Leslie James Cambridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:30
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/40; H10W40/47; H10W72/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1751360A
Cited
US1872304A
Cited
US1809925A
Cited
US2718615A
Cited
US2776920A
Cited
US2725505A
Cited
US2780759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |