Patent US2803758A successfully refreshed from Google Patents.
US2803758A
Expired / Lapsed
US
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Transistor amplifier clipping circuit
Assignee: International Business Machines Corp
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Filing: 1954-09-30
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Granted: 1957-08-20
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Expires: 1974-09-30
Abstract
No abstract record available.
Inventors
- 👤 Ray M Whitenack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:23
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/08; H03G; H03G11/00; H03G11/002; H03K5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2647957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |