US3392342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor amplifier with gain stability
Assignee: International Business Machines Corp
•
Filing: 1965-12-13
•
Granted: 1968-07-09
•
Expires: 1985-12-13
Abstract
No abstract record available.
Inventors
- 👤 Ordower Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:19
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/20; G05F3/26; G05F3/265; H; H03; H03F; H03F1/00; H03F1/30; H03F1/302; H03F1/34; H03F3/00; H03F3/34; H03F3/343; H03F3/347; H03F3/45; H03F3/45071; H03F3/45076; H03F3/4508; H03F3/45085; H03F3/45089; H03F3/45479; H03F3/45484; H03F3/45488; H03F3/45493; H03F3/45502; H03K; H03K5/00; H03K5/01; H03K5/02; H03F2203/00; H03F2203/45; H03F2203/45408; H03F2203/45472; H03F2203/45476; H03F2203/45648
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1141338B
Cited
US3320439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |