Patent US3306949A successfully refreshed from Google Patents.
Patent US2824449A successfully refreshed from Google Patents.
US2824449A
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Capacitance-type fluid measuring apparatus
Assignee: Bendix Aviation Corp
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Filing: 1953-07-29
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Granted: 1958-02-25
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Expires: 1973-07-29
Abstract
No abstract record available.
Inventors
- 👤 Robert S Childs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:11
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263; G01F23/266; G05; G05D; G05D9/00; G05D9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE23493E
Cited
US2280678A
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US2344238A
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US2338732A
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US2346838A
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US2544012A
Cited
US2534802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |