Patent US3457493A successfully refreshed from Google Patents.
US2493898A
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US
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Portable mixing plant
Assignee: Cedarapids Inc
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Filing: 1947-04-23
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Granted: 1950-01-10
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Expires: 1967-04-23
Abstract
No abstract record available.
Inventors
- 👤 Harold C Pollitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:39
CPC Classifications
B; B28; B28C; B28C9/00; B28C9/04; B28C9/0481; B28C9/049; E; E01; E01C; E01C19/00; E01C19/02; E01C19/10; E01C19/1009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1750244A
Cited
US2190044A
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US2207303A
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US2298160A
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US2285765A
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US2344228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |