US3555905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring liquid in a tank
Assignee: Individual
•
Filing: 1969-05-21
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Granted: 1971-01-19
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Expires: 1989-05-21
Abstract
Abstract A FLUID MEASURING DEVICE FOR DETERMINING THE QUANTITY OF LIQUID IN A TANK. THE DEVICE INCLUDES A PROBE MEMBER WHICH IS INSERTED INTO THE TANK. SLIDABLY MOUNTED ON THE PROBE IS A FLOAT CONTAINING A MAGNET, THE FLOAT POSITION BEING DETERMINED BY THE LIQUID LEVEL IN THE TANK. WITHIN THE PROBE IS A VERTICALLY MOVABLE MAGNETIC ELEMENT WHOSE VERTICAL POSITION IS CONTROLLED BY THE EXTERIORLY POSITIONED FLOAT. MOVEMENT OF THIS ELEMENT CAUSES SELECTIVE CAUSES SELECTIVE ROTATION OF GEAR MEMBERS CONNECTED TO A POTENTIOMETER OR SIMILAR READ OUT DEVICE.
Inventors
- 👤 Clayton A George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:37
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/64; G01F23/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |