US2538465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary feed continuous mixer
Assignee: Individual
•
Filing: 1949-05-03
•
Granted: 1951-01-16
•
Expires: 1969-05-03
Abstract
No abstract record available.
Inventors
- 👤 Marco John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:56
CPC Classifications
B; B01; B01F; B01F27/00; B01F27/60; B01F27/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US309567A
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US869307A
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US1156096A
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US1189861A
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US1615734A
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US1856943A
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US1847690A
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US1935050A
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US2042161A
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US2109398A
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US2485854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-15 | 1954-07-17 | 1955-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-15 | 1958-07-17 | 1959-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-15 | 1962-07-17 | 1963-01-16 | $7700.00 | Window Closed / Lapsed |