Patent US3083829A successfully refreshed from Google Patents.
US3083829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous clay washer
Assignee: Harry W Dietert Co
•
Filing: 1960-11-07
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Granted: 1963-04-02
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Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Harry W Dletert
- 👤 Alexander L Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:28
CPC Classifications
B; B28; B28C; B28C1/00; B28C1/02; B28C1/06; B28C1/08; B28C1/086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
CONTINUOUS CLAY WASHING APPARATUS FOR WASHING CLAY AND SIMILAR MATERIAL FROM GRANULAR MATERIAL SUCH AS SAND COMPRISING A CONTAINER HAVING A RELATIVELY SMALL DIAMETER PORTION AT THE BOTTOM AND A RELATIVELY LARGE DIAMETER PORTION AT THE TOP WITH A TRANSITIONAL PORTION THEREBETWEEN OF INTERMEDIATE AXIAL EXTENT FOR RECEIVING A SAMPLE OF THE GRANULAR MATERIAL, A HOLLOW TUBE SUSPENDED WITHIN SAID CONTAINER FROM THE TOP THEREOF AND COAXIAL THEREWITH HAVING A TRANSVERSE OPENING THEREIN NEAR THE BOTTOM THEREOF FOR INTRODUCING WASH WATER INTO SAID CONTAINER AT THE BOTTOM THEREOF, MEANS FOR SUPPLYING WATER UNDER PRESSURE THROUGH SAID TUBE, AND MEANS FOR ROTATING SAID TUBE WHEREBY THE WATER IS INTRODUCED INTO SAID CONTAINER IN A ROTATING RADIAL JET STREAM.
Claim 2
Dependent Claim
117 words
CONTINUOUS CLAY WASHING APPARATUS FOR WASHING CLAY AND SIMILAR MATERIAL FROM GRANULAR MATERIAL SUCH AS SAND COMPRISING A CONTAINER HAVING A RELATIVELY SMALL DIAMETER PORTION AT THE BOTTOM AND A RELATIVELY LARGE DIAMETER PORTION AT THE TOP WITH A TRANSITIONAL PORTION THEREBETWEEN OF INTERMEDIATE AXIAL EXTENT FOR RECEIVING A SAMPLE OF THE GRANULAR MATERIAL, A HOLLOW TUBE SUSPENDED WITHIN SAID CONTAINER FROM THE TOP THEREOF AND COAXIAL THEREWITH HAVING A TRANSVERSE OPENING THEREIN NEAR THE BOTTOM THEREOF FOR INTRODUCING WASH WATER INTO SAID CONTAINER AT THE BOTTOM THEREOF, MEANS FOR SUPPLYING WATER UNDER PRESSURE THROUGH SAID TUBE, AND MEANS FOR ROTATING SAID TUBE WHEREBY THE WATER IS INTRODUCED INTO SAID CONTAINER IN A ROTATING RADIAL JET STREAM.
References Cited (Backward Citations)
US307560A
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US353775A
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US3018890A
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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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |