Patent US2553403A successfully refreshed from Google Patents.
US2553403A
Expired / Lapsed
US
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Distributing hopper and agitator
Assignee: Individual
•
Filing: 1945-09-04
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Granted: 1951-05-15
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Expires: 1965-09-04
Abstract
No abstract record available.
Inventors
- 👤 Cory Dewey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:03
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/12; E01C19/20; E01C19/201; E01C19/2035; E01C19/204; A; A01; A01C; A01C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1245121A
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US1504543A
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US1682825A
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AU149526A
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US1733562A
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US1800298A
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US1937232A
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US2026460A
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US2401796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |