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Patent US2967951A successfully refreshed from Google Patents.
US2967951A
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US
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Direct-coupled transistor circuit
Assignee: Lanteris Space LLC
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Filing: 1955-01-17
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Granted: 1961-01-10
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Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:49
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2627039A
Cited
US2663806A
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US2644897A
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US2641717A
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US2806153A
Cited
US2774875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-10 | 1964-07-11 | 1965-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-10 | 1968-07-11 | 1969-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-10 | 1972-07-11 | 1973-01-10 | $7700.00 | Window Closed / Lapsed |