US2612567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transconductor employing field controlled semiconductor
Assignee: Individual
•
Filing: 1949-10-04
•
Granted: 1952-09-30
•
Expires: 1969-10-04
Abstract
No abstract record available.
Inventors
- 👤 Stuetzer Otmar Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:32
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D10/00; H10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1745175A
Cited
US1949383A
Cited
US2173904A
Cited
US2208455A
Cited
US2430028A
Cited
US2524033A
Cited
US2524035A
Cited
US2540490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |