Patent US2836069A successfully refreshed from Google Patents.
US2836069A
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Sampling and metering device for fluent solid materials
Assignee: Standard Oil Co
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Filing: 1955-09-01
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Granted: 1958-05-27
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Expires: 1975-09-01
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Shields
- 👤 Philip W Dewey
- 👤 Jr William A Shire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:34
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/12; G01N1/00; G01N1/02; G01N1/10; G01N1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A SAMPLING AND METERING DEVICE FOR FLUENT SOLID MATERIALS COMPRISING IN COMBINATION A SAMPLING TUBE DISCHARGING WITHIN A METERING CHAMBER, AN AERATION GAS SUPPLY LINE ENTERING SAID TUBE THROUGH A WALL THEREOF, AN ADJUSTABLE AND ROTATABLE ROD EXTENDING LONGITUDINALLY WITHIN SAID TUBE, A TAPERED SECTION ON SAID ROD ADJACENT THE OUTLET OF SAID TUBE FORMING AN ADJUSTABLE ANNULAR ORIFICE AT THE END OF SAID TUBE, A DRIVEN METERING WHEEL MOUNTED TO ROTATE IN SUBJACENT ALIGNMENT WITH SAID ORIFICE, A CONTINUOUS PERIPHERAL RECESS IN SAID WHEEL ADAPTED TO RECEIVE A QUANTITY OF FINELY DIVIDED SOLIDS THEREIN, A TUBULAR SCRAPER ARRANGED TO SCRAPE THE BOTTOM OF SAID WHEEL RECESS TO DISCHARGE A METERED AMOUNT OF SOLIDS FROM SAID RECESS INTO SAID CHAMBER, AND GRAVITY MEANS FOR TRANSFERRING THE METERING AMOUNT OF SOLIDS FROM SAID CHAMBER.
Claim 2
Dependent Claim
133 words
A SAMPLING AND METERING DEVICE FOR FLUENT SOLID MATERIALS COMPRISING IN COMBINATION A SAMPLING TUBE DISCHARGING WITHIN A METERING CHAMBER, AN AERATION GAS SUPPLY LINE ENTERING SAID TUBE THROUGH A WALL THEREOF, AN ADJUSTABLE AND ROTATABLE ROD EXTENDING LONGITUDINALLY WITHIN SAID TUBE, A TAPERED SECTION ON SAID ROD ADJACENT THE OUTLET OF SAID TUBE FORMING AN ADJUSTABLE ANNULAR ORIFICE AT THE END OF SAID TUBE, A DRIVEN METERING WHEEL MOUNTED TO ROTATE IN SUBJACENT ALIGNMENT WITH SAID ORIFICE, A CONTINUOUS PERIPHERAL RECESS IN SAID WHEEL ADAPTED TO RECEIVE A QUANTITY OF FINELY DIVIDED SOLIDS THEREIN, A TUBULAR SCRAPER ARRANGED TO SCRAPE THE BOTTOM OF SAID WHEEL RECESS TO DISCHARGE A METERED AMOUNT OF SOLIDS FROM SAID RECESS INTO SAID CHAMBER, AND GRAVITY MEANS FOR TRANSFERRING THE METERING AMOUNT OF SOLIDS FROM SAID CHAMBER.
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) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |