US3085441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-differential type apparatus useful in density and volume measurements
Assignee: Union Carbide Corp
•
Filing: 1960-08-25
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Granted: 1963-04-16
•
Expires: 1980-08-25
Abstract
No abstract record available.
Inventors
- 👤 Sarian Suren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:39
CPC Classifications
G; G01; G01F; G01F17/00; G01N; G01N15/00; G01N15/08; G01N9/00; G01N9/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
AN APPARATUS USEFUL IN THE DETERMINATION OF THE BULK DENSITY AND/OR APPARENT VOLUME OF SOLID MATERIALS WHICH COMPRISES A LONGITUDINALLY EXTENDING HOLLOW MEMBER; A PRESSURE-SENSITIVE DIAPHRAGM SEALABLY FIXED TO SAID HOLLOW MEMBER AND CLOSING AN END THEREOF; SAID HOLLOW MEMBER WITH SAID PRESSURE-SENSITIVE DIAPHRAGM FIXED THERETO BEING ADAPTED TO BE VERTICALLY POSITIONED AND TO CONTAIN A FIRST LIQUID WHEN VERTICALLY POSITIONED AND ALSO BEING ADAPTED TO FLOAT IN A SECOND LIQUID AT AN INITIAL LEVEL THEREIN WHILE CONTAINING THE FIRST LIQUID WHEREBY THE FIRST LIQUID IS CAUSED TO ASSUME AN INITIAL HEIGHT IN SAID HOLLOW MEMBER; MEANS FOR INDICATING WHENEVER THE HEIGHT OF THE FIRST LIQUID IN SAID HOLLOW MEMBER IS EQUAL TO ITS INITIAL HEIGHT; WEIGHT-SUPPORTING MEANS FIXED TO SAID HOLLOW MEMBER AND ADAPTED TO BE WEIGHTED TO DECREASE THE BUOYANCY OF SAID HOLLOW MEMBER IN THE SECOND LIQUID; AND HOLDING MEANS FIXED TO SAID HOLLOW MEMBER FOR ENGAGING THE MATERIAL TO BE MEASURED, SAID HOLDING MEANS BEING ARRANGED ON SAID HOLLOW MEMBER SO THAT WHEN THE MATERIAL TO BE MEASURED IS ENGAGED THEREBY AND WHEN SAID WEIGHT-SUPPORTING MEANS ARE WEIGHTED TO CAUSE SAID HOLLOW MEMBER TO ASSUME ITS INITIAL LEVEL IN THE SECOND LIQUID, THE MATERIAL TO BE MEASURED IS COMPLETELY BELOW THE SURFACE OF THE SECOND LIQUID.
Claim 2
Independent Claim
210 words
AN APPARATUS USEFUL IN THE DETERMINATION OF THE BULK DENSITY AND/OR APPARENT VOLUME OF SOLID MATERIALS WHICH COMPRISES A LONGITUDINALLY EXTENDING HOLLOW MEMBER; A PRESSURE-SENSITIVE DIAPHRAGM SEALABLY FIXED TO SAID HOLLOW MEMBER AND CLOSING AN END THEREOF; SAID HOLLOW MEMBER WITH SAID PRESSURE-SENSITIVE DIAPHRAGM FIXED THERETO BEING ADAPTED TO BE VERTICALLY POSITIONED AND TO CONTAIN A FIRST LIQUID WHEN VERTICALLY POSITIONED AND ALSO BEING ADAPTED TO FLOAT IN A SECOND LIQUID AT AN INITIAL LEVEL THEREIN WHILE CONTAINING THE FIRST LIQUID WHEREBY THE FIRST LIQUID IS CAUSED TO ASSUME AN INITIAL HEIGHT IN SAID HOLLOW MEMBER; MEANS FOR INDICATING WHENEVER THE HEIGHT OF THE FIRST LIQUID IN SAID HOLLOW MEMBER IS EQUAL TO ITS INITIAL HEIGHT; WEIGHT-SUPPORTING MEANS FIXED TO SAID HOLLOW MEMBER AND ADAPTED TO BE WEIGHTED TO DECREASE THE BUOYANCY OF SAID HOLLOW MEMBER IN THE SECOND LIQUID; AND HOLDING MEANS FIXED TO SAID HOLLOW MEMBER FOR ENGAGING THE MATERIAL TO BE MEASURED, SAID HOLDING MEANS BEING ARRANGED ON SAID HOLLOW MEMBER SO THAT WHEN THE MATERIAL TO BE MEASURED IS ENGAGED THEREBY AND WHEN SAID WEIGHT-SUPPORTING MEANS ARE WEIGHTED TO CAUSE SAID HOLLOW MEMBER TO ASSUME ITS INITIAL LEVEL IN THE SECOND LIQUID, THE MATERIAL TO BE MEASURED IS COMPLETELY BELOW THE SURFACE OF THE SECOND LIQUID.
References Cited (Backward Citations)
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US2198351A
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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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |