US2177910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the continuous mixing and homogenizing of substances
Assignee: N V Octrooien Activit Mij
•
Filing: 1938-06-30
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Granted: 1939-10-31
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Expires: 1958-06-30
Abstract
No abstract record available.
Inventors
- 👤 Smit Pieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:59
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/60; B01F27/70; B01F27/701; B01F27/706; B01F27/703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1942-10-30 | 1943-05-01 | 1943-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-10-30 | 1947-05-01 | 1947-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-10-30 | 1951-05-01 | 1951-10-31 | $7700.00 | Window Closed / Lapsed |