Patent US2022585A successfully refreshed from Google Patents.
US3563006A
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Separating and cooling device for plastic granules
Assignee: Buss AG
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Filing: 1968-06-19
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Granted: 1971-02-16
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Expires: 1988-06-19
Abstract
Abstract A SEPARATING AND COOLING DEVICE FOR PRODUCING COOLED PLASTIC GRANULES COMPRISING A CYLINDRICAL CASING WITH DISTRIBUTING MEMBERS AND AIR COOLING ACCESS MEANS ARRANGED IN ITS LOWER END, A SECOND SMALLER CYLINDRICAL CASING WITHIN SAID FIRST CASING AND COAXIALLY ARRANGED THEREWITH, AND A THIRD STILL SMALLER CYLINDRICAL CASING WITHIN SAID SECOND CASING, THE THIRD CASING BEING PROVIDED WITH AN OUTLET COLLAR.
Inventors
- 👤 Fritx Sutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:34
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/021; B01; B01J; B01J8/00; B01J8/08; B01J8/087; B29B9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |