Patent US3831397A successfully refreshed from Google Patents.
Patent US2772083A successfully refreshed from Google Patents.
US2772083A
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US
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Drier and mixer for fluent solid material
Assignee: Frederick Parker Ltd
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Filing: 1954-03-10
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Granted: 1956-11-27
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Expires: 1974-03-10
Abstract
No abstract record available.
Inventors
- 👤 Parker Frederick William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:37
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/05; E01C19/10; E01C19/1013; E01C19/104; F; F26; F26B; F26B11/00; F26B11/02; F26B11/026; E01C2019/1081; E01C2019/109; E01C2019/1095
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US416950A
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US1105812A
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US1363230A
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US1836754A
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US2344228A
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US2421345A
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US2487887A
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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) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |