Patent US2759150A successfully refreshed from Google Patents.
US2759150A
Expired / Lapsed
US
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Circuit and method for producing standard voltages
Assignee: Individual
•
Filing: 1952-06-04
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Granted: 1956-08-14
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Expires: 1972-06-04
Abstract
No abstract record available.
Inventors
- 👤 Rosenbaum Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:59
CPC Classifications
G; G01; G01R; G01R1/00; G01R1/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2175890A
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US2525901A
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US2425641A
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US2478742A
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US2415823A
Cited
US2510347A
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US2577543A
Cited
US2449072A
Cited
US2528446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |