Patent US1974763A successfully refreshed from Google Patents.
US3235750A
Expired / Lapsed
US
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Steering circuit for complementary type transistor switch
Assignee: General Precision Inc
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Filing: 1962-06-08
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Granted: 1966-02-15
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Expires: 1982-06-08
Abstract
No abstract record available.
Inventors
- 👤 Robert V Anderson
- 👤 Nicholas A Penebre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:47
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)
US2764343A
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US2831113A
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US2986650A
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US3028507A
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US2974234A
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US3121802A
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US3041471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |