Patent US5060031A successfully refreshed from Google Patents.
Patent US2631969A successfully refreshed from Google Patents.
US2631969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mineral oil treating system
Assignee: Standard Oil Co
•
Filing: 1949-02-08
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Granted: 1953-03-17
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Expires: 1969-02-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Klueger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:42
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/06; B; B01; B01F; B01F31/00; B01F31/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN APPARATUS OF THE CHARACTER DESCRIBED, A TANK HAVING AN OIL INLET IN ITS UPPER PORTION AND AN OUTLET BELOW, AGITATING MEANS IN SAID TANK, MEANS FOR FEEDING PULVERULENT CLAY TO SAID TANK INCLUDING A SCREW CONVEYOR CASING AND SCREW THEREIN LEADING TO THE SAID TANK MEANS FOR CALIBRATING SAID FEEDING MEANS INCLUDING A REMOVABLE SECTION IN SAID CASING OVER A MEASURING RECEPTACLE, AN ADJUSTABLE SPEED DRIVE MEANS FOR SAID CONVEYOR, A CLAY SUPPLY HOPPER COMMUNICATING WITH SAID CONVEYOR, A ROCKING ELEMENT IN THE LOWER PORTION OF SAID HOPPER, AND A DRIVE FOR SAID ROCKING ELEMENT SYNCHRONIZED WITH SAID CONVEYOR, INCLUDING A ROCK SHAFT CARRYING SAID ROCKING ELEMENT, A CRANK ON SAID ROCK SHAFT EXTERNALLY OF THE HOPPER, A CRANK ON THE CONVEYOR SCREW SHAFT, AND A CONNECTING ROD BETWEEN SAID CRANKS FOR ROCKING SAID ELEMENT.
Claim 2
Dependent Claim
136 words
IN APPARATUS OF THE CHARACTER DESCRIBED, A TANK HAVING AN OIL INLET IN ITS UPPER PORTION AND AN OUTLET BELOW, AGITATING MEANS IN SAID TANK, MEANS FOR FEEDING PULVERULENT CLAY TO SAID TANK INCLUDING A SCREW CONVEYOR CASING AND SCREW THEREIN LEADING TO THE SAID TANK MEANS FOR CALIBRATING SAID FEEDING MEANS INCLUDING A REMOVABLE SECTION IN SAID CASING OVER A MEASURING RECEPTACLE, AN ADJUSTABLE SPEED DRIVE MEANS FOR SAID CONVEYOR, A CLAY SUPPLY HOPPER COMMUNICATING WITH SAID CONVEYOR, A ROCKING ELEMENT IN THE LOWER PORTION OF SAID HOPPER, AND A DRIVE FOR SAID ROCKING ELEMENT SYNCHRONIZED WITH SAID CONVEYOR, INCLUDING A ROCK SHAFT CARRYING SAID ROCKING ELEMENT, A CRANK ON SAID ROCK SHAFT EXTERNALLY OF THE HOPPER, A CRANK ON THE CONVEYOR SCREW SHAFT, AND A CONNECTING ROD BETWEEN SAID CRANKS FOR ROCKING SAID ELEMENT.
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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) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |