US3512842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of slurry unloading of dry bulk powder shipments
Assignee: JM Huber Corp
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Filing: 1968-10-25
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Granted: 1970-05-19
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Expires: 1988-10-25
Abstract
No abstract record available.
Inventors
- 👤 Dennis S Milewski
- 👤 Ralph O Treat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:22
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0081; B; B65; B65G; B65G53/00; B65G53/30; B65G65/00; B65G65/30; B65G65/34; B65G65/40; B65G69/00; B65G69/20; C01; C01P; C01P2006/00; C01P2006/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |