Patent US3246504A successfully refreshed from Google Patents.
US3246504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct determination of density of solids
Assignee: Individual
•
Filing: 1962-03-19
•
Granted: 1966-04-19
•
Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Albert H Halff
- 👤 Allen F Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:42
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/02; G01N2009/022; G01N2009/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
APPARATUS FOR MEASURING THE AVERAGE DENSITY OF A SOLID MATERIAL COMPRISING THE COMBINATION OF A MAIN CONTAINER HAVING DIFFERENT DENSITY LIQUIDS VARIABLE TO DIFFERENT LEVELS FOR RECEIVING AN ARTICLE BUOYANT THEREIN AND AN AUXILIARY SIDE ARM CONNECTED ONLY TO THE MAIN CONTAINER BELOW THE SURFACE OF THE HEAVIER LIQUID AND EXTENDING ABOVE THE LEVEL OF LIGHTER LIQUID IN THE MAIN CONTAINER, SAID AUXILIARY ARM HAVING A PORTION WITH A REDUCED CROSSSECTIONAL AREA COMMENCING ABOVE THE LEVEL OF THE HEAVIER LIQUID AND HAVING A LIGHTER LIQUID IN SAID ARM ABOVE THE LEVEL OF THE HEAVIER LIQUID COMPLETELY SEPARATE FROM THE LIGHTER LIQUID IN THE MAIN CONTAINER TO AMPLIFY THE VARIATIONS OF THE LEVEL OF THE HEAVIER LIQUID, AND MEANS ON SAID MAIN CONTAINER AND SAID REDUCED PORTION PROVIDING AN INDICATION OF SAID LEVELS CORRESPONDING TO THE VOLUME AND TO THE WEIGHT OF AN ARTICLE IN THE MAIN CONTAINER FOR DETERMINATION OF THE AVERAGE DENSITY OF THE ARTICLE.
Claim 2
Dependent Claim
156 words
APPARATUS FOR MEASURING THE AVERAGE DENSITY OF A SOLID MATERIAL COMPRISING THE COMBINATION OF A MAIN CONTAINER HAVING DIFFERENT DENSITY LIQUIDS VARIABLE TO DIFFERENT LEVELS FOR RECEIVING AN ARTICLE BUOYANT THEREIN AND AN AUXILIARY SIDE ARM CONNECTED ONLY TO THE MAIN CONTAINER BELOW THE SURFACE OF THE HEAVIER LIQUID AND EXTENDING ABOVE THE LEVEL OF LIGHTER LIQUID IN THE MAIN CONTAINER, SAID AUXILIARY ARM HAVING A PORTION WITH A REDUCED CROSSSECTIONAL AREA COMMENCING ABOVE THE LEVEL OF THE HEAVIER LIQUID AND HAVING A LIGHTER LIQUID IN SAID ARM ABOVE THE LEVEL OF THE HEAVIER LIQUID COMPLETELY SEPARATE FROM THE LIGHTER LIQUID IN THE MAIN CONTAINER TO AMPLIFY THE VARIATIONS OF THE LEVEL OF THE HEAVIER LIQUID, AND MEANS ON SAID MAIN CONTAINER AND SAID REDUCED PORTION PROVIDING AN INDICATION OF SAID LEVELS CORRESPONDING TO THE VOLUME AND TO THE WEIGHT OF AN ARTICLE IN THE MAIN CONTAINER FOR DETERMINATION OF THE AVERAGE DENSITY OF THE ARTICLE.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |