US3114209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Level sensor
Assignee: —
•
Filing: —
•
Granted: 1963-12-17
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Expires: 1980-12-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:42
CPC Classifications
G; G01; G01C; G01C9/00; G01C9/02; G01C9/06; G01C9/18; G01C9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A LEVEL SENSING DEVICE THE COMBINATION OF A SEMISPHERICALLY CURVED HOUSING PARTIALLY FILLED WITH A THERMALLY CONDUCTING LIQUID AND PARTIALLY FILLED WITH A GAS BUBBLE, A FIRST THERMALLY SENSITIVE CURRENT CARRYING PHYSICALLY STRAIGHT RESISTANCE WIRE HAVING ITS END PORTIONS PARTIALLY IMMERSED IN SAID LIQUID AND HAVING ITS MIDPORTION DISPOSED IN SAID GAS BUBBLE IN THE LEVEL POSITION, A SECOND THERMALLY SENSITIVE CURRENT CARRYING LINEAR RESISTANCE WIRE HAVING ITS END PORTIONS PARTIALLY IMMERSED IN SAID LIQUID AND THE MIDPORTION THEREOF DISPOSED IN THE GAS BUBBLE IN THE LEVEL POSITION AND DISPOSED AT RIGHT ANGLES TO SAID FIRST RESISTANCE MEANS, THE SEMI-SPHERICALLY CURVED HOUSING BEING OPEN IN THE SPACES BETWEEN THE FIRST AND SECOND WIRES IN ORDER THAT THE THERMALLY CONDUCTIVE LIQUID BE FREE TO
Claim 2
Dependent Claim
124 words
IN A LEVEL SENSING DEVICE THE COMBINATION OF A SEMISPHERICALLY CURVED HOUSING PARTIALLY FILLED WITH A THERMALLY CONDUCTING LIQUID AND PARTIALLY FILLED WITH A GAS BUBBLE, A FIRST THERMALLY SENSITIVE CURRENT CARRYING PHYSICALLY STRAIGHT RESISTANCE WIRE HAVING ITS END PORTIONS PARTIALLY IMMERSED IN SAID LIQUID AND HAVING ITS MIDPORTION DISPOSED IN SAID GAS BUBBLE IN THE LEVEL POSITION, A SECOND THERMALLY SENSITIVE CURRENT CARRYING LINEAR RESISTANCE WIRE HAVING ITS END PORTIONS PARTIALLY IMMERSED IN SAID LIQUID AND THE MIDPORTION THEREOF DISPOSED IN THE GAS BUBBLE IN THE LEVEL POSITION AND DISPOSED AT RIGHT ANGLES TO SAID FIRST RESISTANCE MEANS, THE SEMI-SPHERICALLY CURVED HOUSING BEING OPEN IN THE SPACES BETWEEN THE FIRST AND SECOND WIRES IN ORDER THAT THE THERMALLY CONDUCTIVE LIQUID BE FREE TO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |