US2426734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling conductance of an electronic circuit
Assignee: SAMUEL C HURLEY JR
•
Filing: 1945-06-02
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Granted: 1947-09-02
•
Expires: 1965-06-02
Abstract
No abstract record available.
Inventors
- 👤 Werner A Gieseke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:42
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1722751A
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US2102664A
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US2140355A
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US2085671A
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US2177133A
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US2193590A
Cited
US2310342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-01 | 1951-03-03 | 1951-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-01 | 1955-03-03 | 1955-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-01 | 1959-03-03 | 1959-09-02 | $7700.00 | Window Closed / Lapsed |