Patent US3108949A successfully refreshed from Google Patents.
US3108949A
Expired / Lapsed
US
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Separator for granular goods
Assignee: Buehler AG
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Filing: 1960-07-18
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Granted: 1963-10-29
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Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Fehlmann Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:44
CPC Classifications
B; B07; B07B; B07B1/00; B07B1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
AN APPARATUS FOR GRADING AND PURIFYING GRANULAR MATERIAL COMPRISING A VERTICALLY DISPOSED HOUSING, A HORIZONTALLY DISPOSED SIEVE IN SAID HOUSING, MEANS FOR DELIVERING UPGRADED AND UPURIFIED GRANULAR MATERIAL INTO SAID HOUSING AND ONTO THE CENTER PORTION OF SAID SIEVE, MEANS FOR DRIVING SAID SIEVE IN AN OSCILLATING PATH TO MOVE GRANULAR MATERIAL ON SAID SIEIVE RADIALLY OUTWARD ACROSS SAID SIEVE AND TO DISCHARGE FROM THE EDGE OF SAID SIEVE MATERIALS RETAINED THEREON, MEANS AT THE EDGE OF SAID SIEVE FOR RECEIVING AND REMOVING SAID RETAINED MATERIAL FROM SAID HOUSING, DISCHARGE MEANS BENEATH SAID SIEVE FOR RECEIVING MATERIALS WHICH PASS THROUGH SAID SIEVE, BAFFLE MEANS IN SAID DISCHARGE MEANS FOR SPREADING SAID MATERIAL RECEIVED THEREIN INTO A VEIL, MEANS FOR AIR WASHING SAID MATERIALS IN SAID VEIL, MEANS FOR REMOVING SAID AIR WASHED MATERIAL FROM SAID HOUSING, AND MEANS BELOW SAID SIEVE FOR DEFLECTING AND DISCHARGING THE WASHING AIR FROM SAID HOUSING.
Claim 2
Independent Claim
151 words
AN APPARATUS FOR GRADING AND PURIFYING GRANULAR MATERIAL COMPRISING A VERTICALLY DISPOSED HOUSING, A HORIZONTALLY DISPOSED SIEVE IN SAID HOUSING, MEANS FOR DELIVERING UPGRADED AND UPURIFIED GRANULAR MATERIAL INTO SAID HOUSING AND ONTO THE CENTER PORTION OF SAID SIEVE, MEANS FOR DRIVING SAID SIEVE IN AN OSCILLATING PATH TO MOVE GRANULAR MATERIAL ON SAID SIEIVE RADIALLY OUTWARD ACROSS SAID SIEVE AND TO DISCHARGE FROM THE EDGE OF SAID SIEVE MATERIALS RETAINED THEREON, MEANS AT THE EDGE OF SAID SIEVE FOR RECEIVING AND REMOVING SAID RETAINED MATERIAL FROM SAID HOUSING, DISCHARGE MEANS BENEATH SAID SIEVE FOR RECEIVING MATERIALS WHICH PASS THROUGH SAID SIEVE, BAFFLE MEANS IN SAID DISCHARGE MEANS FOR SPREADING SAID MATERIAL RECEIVED THEREIN INTO A VEIL, MEANS FOR AIR WASHING SAID MATERIALS IN SAID VEIL, MEANS FOR REMOVING SAID AIR WASHED MATERIAL FROM SAID HOUSING, AND MEANS BELOW SAID SIEVE FOR DEFLECTING AND DISCHARGING THE WASHING AIR FROM SAID HOUSING.
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |