US2633074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for densifying dry powdered solids
Assignee: Monsanto Chemicals Ltd
•
Filing: 1948-05-01
•
Granted: 1953-03-31
•
Expires: 1968-05-01
Abstract
No abstract record available.
Inventors
- 👤 Walter M Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:51
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/28; B01J2/22; C; C01; C01B; C01B33/00; C01B33/113
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1211370A
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DE413663C
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US1765389A
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US2333565A
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US2322791A
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GB570999A
Cited
US2415355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |