US3203253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the testing of bituminous building materials
Assignee: Individual
•
Filing: 1961-11-24
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Granted: 1965-08-31
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Expires: 1981-11-24
Abstract
No abstract record available.
Inventors
- 👤 Scheid Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:14
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/02; G01N15/0272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
AN APPARATUS FOR TESTING BITUMINOUS MATERIALS COMPRISING CONTAINER MEANS HAVING AN APERTURED PLATE THEREIN ON WHICH A SAMPLE OF BITUMINOUS MATERIAL TO BE TESTED IS PLACED, MEANS CONNECTED TO SAID CONTAINER MEANS ADJACENT SAID PLATE TO SUPPLY SOLVENT ONTO SAID SAMPLE, MEANS FOR APPLYING AT LEAST TO SAID SAMPLE AN AGITATING ACTION IN ORDER TO INCREASE THE EFFECT OF THE SOLVENT ON THE SAMPLE TO DISSOLVE DISSOLVABLE PARTS THEREFROM AND TO LOOSEN SOLID PARTS THEREFROM, SIEVE MEANS DISPOSED IN SAID CONTAINER MEANS TO SEPARATE THE SOLID PARTS INTO DIFFERENT GRAIN SIZES, MEANS OPERATIVELY CONNECTED TO SAID CONTAINER MEANS TO RECEIVE AS A CONTINUOUS STREAM SOLUTE AND FINER GRAIN SOLID PARTS THEREFROM AND TO SUBJECT THE SOLUTE AND FINER GRAIN PARTS TO A SEPARATING ACTION TO RAPIDLY SEPARATE THE FINER GRAIN PARTS FROM THE SOLUTE, MEANS OPERATIVELY CONNECTED TO SAID RECEIVING MEANS TO COLLECT THE SOLUTE THEREFROM AND TO MEASURE SAME, AND DRYING MEANS FOR DRYING SAID SEPARATED SOLID PARTS IN SAID CONTAINER MEANS AND SAID RECEIVING MEANS WHEREBY A RAPID DETERMINATION OF THE COMPLETE COMPOSITION OF BITUMINOUS MATERIALS MAY BE EFFECTED BY MEANS OF A SINGLE OPERATION.
Claim 2
Independent Claim
187 words
AN APPARATUS FOR TESTING BITUMINOUS MATERIALS COMPRISING CONTAINER MEANS HAVING AN APERTURED PLATE THEREIN ON WHICH A SAMPLE OF BITUMINOUS MATERIAL TO BE TESTED IS PLACED, MEANS CONNECTED TO SAID CONTAINER MEANS ADJACENT SAID PLATE TO SUPPLY SOLVENT ONTO SAID SAMPLE, MEANS FOR APPLYING AT LEAST TO SAID SAMPLE AN AGITATING ACTION IN ORDER TO INCREASE THE EFFECT OF THE SOLVENT ON THE SAMPLE TO DISSOLVE DISSOLVABLE PARTS THEREFROM AND TO LOOSEN SOLID PARTS THEREFROM, SIEVE MEANS DISPOSED IN SAID CONTAINER MEANS TO SEPARATE THE SOLID PARTS INTO DIFFERENT GRAIN SIZES, MEANS OPERATIVELY CONNECTED TO SAID CONTAINER MEANS TO RECEIVE AS A CONTINUOUS STREAM SOLUTE AND FINER GRAIN SOLID PARTS THEREFROM AND TO SUBJECT THE SOLUTE AND FINER GRAIN PARTS TO A SEPARATING ACTION TO RAPIDLY SEPARATE THE FINER GRAIN PARTS FROM THE SOLUTE, MEANS OPERATIVELY CONNECTED TO SAID RECEIVING MEANS TO COLLECT THE SOLUTE THEREFROM AND TO MEASURE SAME, AND DRYING MEANS FOR DRYING SAID SEPARATED SOLID PARTS IN SAID CONTAINER MEANS AND SAID RECEIVING MEANS WHEREBY A RAPID DETERMINATION OF THE COMPLETE COMPOSITION OF BITUMINOUS MATERIALS MAY BE EFFECTED BY MEANS OF A SINGLE OPERATION.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |