US2895019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single-tube amplifier with transformer output
Assignee: Fairchild Semiconductor Corp
•
Filing: 1954-02-26
•
Granted: 1959-07-14
•
Expires: 1974-02-26
Abstract
No abstract record available.
Inventors
- 👤 Farber Monroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:32
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/20; H03F3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1429634A
Cited
US1808726A
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US1751081A
Cited
US2595443A
Cited
US2595444A
Cited
US2688694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |