US2968751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching transistor
Assignee: RCA Corp
•
Filing: 1957-08-09
•
Granted: 1961-01-17
•
Expires: 1977-08-09
Abstract
No abstract record available.
Inventors
- 👤 Charles W Mueller
- 👤 Loy E Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:17
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/35; C; C09; C09B; C09B67/00; C09B67/0071; C09B67/0072; D; D06; D06P; D06P1/00; D06P1/38; D06P1/382; H01; H01K; H01K1/00; H01K1/28; H01K1/32; H01K1/52; H01K1/54; H10; H10D; H10D99/00; H10P; H10P32/00; H10P32/10; H10P32/14; H10P76/00; H10P76/40; H10P95/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2840494A
Cited
US2795744A
Cited
US2821493A
Cited
US2810870A
Cited
US2820932A
Cited
US2806983A
Cited
US2842831A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |