Patent US2685797A successfully refreshed from Google Patents.
US2685797A
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US
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Magnetic liquid level tank gauge
Assignee: LIQUIDIVISION GAUGE AND CONTRO
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Filing: 1951-04-09
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Granted: 1954-08-10
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Expires: 1971-04-09
Abstract
No abstract record available.
Inventors
- 👤 Albert J Morschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:53
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/64; G01F23/66; G01F23/68; G01F23/70; Y; Y10; Y10S; Y10S73/00; Y10S73/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US995414A
Cited
US1227286A
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US1185144A
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US2233572A
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US2427627A
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US2556346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |