Patent US3212722A successfully refreshed from Google Patents.
US3212722A
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Vibratory grinding mill of the drum type
Assignee: Kloeckner Humboldt Deutz AG
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Filing: 1963-07-01
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Granted: 1965-10-19
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Maeder Heinz-Jochem
- 👤 Haertel Willi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:42
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A CONTINUOUSLY OPERABLE VIBRATORY GRINDING MILL COMPRISING AT LEAST ONE VIBRATORY GRINDER DRUM WHOSE AXIS EXTENDS SUBSTANTIALLY HORIZONTALLY, SAID DRUM HAVING A MATERIAL INLET OPENING NEAR ONE DRUM END, A SCREENING PARTITION FASTENED IN SAID DRUM NEAR THE OTHER END BUT AXIALLY SPACED THEREFROM TO FORM AN OUTLET CHAMBER, SAID DRUM HAVING A BOTTOM OUTLET IN SAID CHAMBER, AND AN OVERFLOW GATE EXTENDING UPWARDLY FROM THE BOTTOM IN SAID CHAMBER BETWEEN SAID PARTITION AND SAID OUTLET.
Claim 2
Dependent Claim
76 words
A CONTINUOUSLY OPERABLE VIBRATORY GRINDING MILL COMPRISING AT LEAST ONE VIBRATORY GRINDER DRUM WHOSE AXIS EXTENDS SUBSTANTIALLY HORIZONTALLY, SAID DRUM HAVING A MATERIAL INLET OPENING NEAR ONE DRUM END, A SCREENING PARTITION FASTENED IN SAID DRUM NEAR THE OTHER END BUT AXIALLY SPACED THEREFROM TO FORM AN OUTLET CHAMBER, SAID DRUM HAVING A BOTTOM OUTLET IN SAID CHAMBER, AND AN OVERFLOW GATE EXTENDING UPWARDLY FROM THE BOTTOM IN SAID CHAMBER BETWEEN SAID PARTITION AND SAID OUTLET.
References Cited (Backward Citations)
US2760729A
Cited
US2818220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |