Patent US2932415A successfully refreshed from Google Patents.
US2932415A
Expired / Lapsed
US
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Apparatus for compaction, transportation and discharge of bulk material
Assignee: Individual
•
Filing: 1955-02-25
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Granted: 1960-04-12
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Expires: 1975-02-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:54
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/22; B60P3/224; B65; B65F; B65F3/00; B65F3/24; B65F3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1136279A
Cited
FR539513A
Cited
US1961587A
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US2258988A
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US2379940A
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US2480527A
Cited
US2645947A
Cited
US2726776A
Cited
US2777588A
Cited
US2696925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |