Patent US3464012A successfully refreshed from Google Patents.
US3464012A
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US
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Automatic signal range selector for metering devices
Assignee: National Aeronautics and Space Administration
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Filing: 1967-02-17
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Granted: 1969-08-26
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Expires: 1987-02-17
Abstract
No abstract record available.
Inventors
- 👤 Charles T Mccormick Jr
- 👤 Robert A Doughty
- 👤 Ernest L Camp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:51
CPC Classifications
G; G01; G01R; G01R15/00; G01R15/08; G01R15/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2512330A
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US2400190A
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US2643344A
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US2648015A
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US2682000A
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US3012195A
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US3133278A
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US3016488A
Cited
US3187323A
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US3383594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |