US2730123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank float
Assignee: Sunoco Inc
•
Filing: 1953-03-17
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Granted: 1956-01-10
•
Expires: 1973-03-17
Abstract
No abstract record available.
Inventors
- 👤 Harold A Quist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:48
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/76; F; F16; F16K; F16K33/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A FLOAT SYSTEM FOR USE IN SENSING LIQUID LEVELS IN STORAGE TANKS COMPRISING, IN COMBINATION WITH A LIQUID LEVEL MEASURING ELEMENT, A PAIR OF SPACED APART FLOATS, NAMELY, A GUIDED FLOAT AND AN INDICATING FLOAT, MEANS CONNECTING THE LATTER FLOAT WITH THE MEASURING ELEMENT, SUBSTANTIALLY VERTICALLY EXTENDING GUIDES ENGAGING THE GUIDED FLOAT AND ALLOWING IT TO MOVE UP AND DOWN WITH CHANGES IN VERTICAL LIQUID LEVEL WHILE LIMITING ITS HORIZONTAL MOVEMENT, AND MEANS CONNECTING THE TWO FLOATS INCLUDING A
Claim 2
Dependent Claim
79 words
A FLOAT SYSTEM FOR USE IN SENSING LIQUID LEVELS IN STORAGE TANKS COMPRISING, IN COMBINATION WITH A LIQUID LEVEL MEASURING ELEMENT, A PAIR OF SPACED APART FLOATS, NAMELY, A GUIDED FLOAT AND AN INDICATING FLOAT, MEANS CONNECTING THE LATTER FLOAT WITH THE MEASURING ELEMENT, SUBSTANTIALLY VERTICALLY EXTENDING GUIDES ENGAGING THE GUIDED FLOAT AND ALLOWING IT TO MOVE UP AND DOWN WITH CHANGES IN VERTICAL LIQUID LEVEL WHILE LIMITING ITS HORIZONTAL MOVEMENT, AND MEANS CONNECTING THE TWO FLOATS INCLUDING A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |