Patent US3606177A successfully refreshed from Google Patents.
US3606177A
Expired / Lapsed
US
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Wood pulp grinder
Assignee: Amca International Ltd
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Filing: 1969-03-20
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Granted: 1971-09-20
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Expires: 1989-03-20
Abstract
Abstract A TOP STOCK RMEOVAL DEVICE FOR A PULPWOOD GRINDING BETWEEN AN UPRUNNING POCKET AND A DOWNRUNNING POCKET BETWEEN AN UPRUNNING POCKET AND A DOWNRUNNING POCKET AND COMPRISES A DOCTOR BLADE WHICH IS INCLUDED TOWARD THE UPRUNNING POCKET, SHOWERING NOZZLES FOR THE BLADE, AND A FLUME FOR DIVERTING STOCK FROM THE DOCTOR BLADE OVER THE AXIALLY OPPOSITE ENDS OF THE GRIND STONE.
Inventors
- 👤 Donald K Alexander
- 👤 John J Denovan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:11
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/06; D21B1/063
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |