US3190126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous densimeter
Assignee: Sunoco Inc
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Filing: 1962-07-05
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Granted: 1965-06-22
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Expires: 1982-07-05
Abstract
No abstract record available.
Inventors
- 👤 Wright J Rondle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:40
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
IN A DENSIMETER, A VERTICAL TUBE HAVING AN OPEN UPPER END; MEANS FOR CONTINUOUSLY FLOWING INTO SAID TUBE AND OUT ITS UPPER END A LIQUID WHOSE DENSITY IS TO BE MEASURED, A VERTICALLY-EXTENDING CONDUIT CONTAINING A QUANTITY OF REFERENCE LIQUID OF KNOWN DENSITY, PRESSURE-TRANSMITTING MEANS COUPLING TOGETHER THE LOWER ENDS OF SAID TUBE AND SAID CONDUIT, MEANS PLACING THE SPACE ABOVE THE UPPER END OF SAID TUBE INTO COMMUNICATION WITH THE INTERIOR OF SAID CONDUIT ABOVE THE UPPER SURFACE OF SAID REFERENCE
Claim 2
Dependent Claim
82 words
IN A DENSIMETER, A VERTICAL TUBE HAVING AN OPEN UPPER END; MEANS FOR CONTINUOUSLY FLOWING INTO SAID TUBE AND OUT ITS UPPER END A LIQUID WHOSE DENSITY IS TO BE MEASURED, A VERTICALLY-EXTENDING CONDUIT CONTAINING A QUANTITY OF REFERENCE LIQUID OF KNOWN DENSITY, PRESSURE-TRANSMITTING MEANS COUPLING TOGETHER THE LOWER ENDS OF SAID TUBE AND SAID CONDUIT, MEANS PLACING THE SPACE ABOVE THE UPPER END OF SAID TUBE INTO COMMUNICATION WITH THE INTERIOR OF SAID CONDUIT ABOVE THE UPPER SURFACE OF SAID REFERENCE
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |