Patent US2921683A successfully refreshed from Google Patents.
US2921683A
Expired / Lapsed
US
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Apparatus for disintegrating and automatically screening coarse flowing matter carried in liquor
Assignee: Individual
•
Filing: 1955-04-12
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Granted: 1960-01-19
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Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Strenz Karl
- 👤 Dankesreither George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:58
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/26; B02C18/00; B02C18/0084; B02C18/0092; B02C18/06; B02C18/16; B02C18/18; B02C2018/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2322922A
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US2317416A
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US2336069A
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US2375455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |