US3018433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Series transistor circuit
Assignee: Franklin Institute
•
Filing: 1959-09-02
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Granted: 1962-01-23
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Expires: 1979-09-02
Abstract
No abstract record available.
Inventors
- 👤 Iv John Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:43
CPC Classifications
G; G05; G05F; G05F3/00; G05F3/02; G05F3/08; G05F3/10; G05F3/16; G05F3/20; G05F3/22; G05F3/222; G05F1/00; G05F1/10; G05F1/46; G05F1/56; G05F1/59; G05F1/595; H; H03; H03F; H03F3/00; H03F3/20; H03F3/21; H03F3/211; H03F3/42; H03K; H03K17/00; H03K17/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |