US2613004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for transporting and handling finely ground materials
Assignee: BULK BARITES Inc
•
Filing: 1948-03-05
•
Granted: 1952-10-07
•
Expires: 1968-03-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Kane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:31
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1949861A
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US2139417A
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US2185415A
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US2209625A
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US2298332A
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US2381780A
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US2438301A
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US2417020A
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US2431000A
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US2439541A
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US2458031A
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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) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |