US3235231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing device
Assignee: Individual
•
Filing: 1963-08-27
•
Granted: 1966-02-15
•
Expires: 1983-08-27
Abstract
No abstract record available.
Inventors
- 👤 Dietze Manfred
- 👤 Kraft Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:16
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/42; B01; B01F; B01F27/00; B01F27/80; B01F27/92; B01F27/923; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/50; B29C48/505; B29C48/635; B29C48/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A DEVICE USEFUL FOR CONTINUOUSLY MIXING SEVERAL MATERIALS, SAID DEVICE COMPRISING A CASING WHEREIN SAID MATERIALS ARE MIXED HAVING A CENTRAL AXIS, AND MIXING SCREW HAVING A GEOMETRICAL AXIS AND BEING MOUNTED WITHIN SAID CASING AND ROTATING ABOUT AN AXIS OF ROTATION, SAID
Claim 2
Independent Claim
43 words
A DEVICE USEFUL FOR CONTINUOUSLY MIXING SEVERAL MATERIALS, SAID DEVICE COMPRISING A CASING WHEREIN SAID MATERIALS ARE MIXED HAVING A CENTRAL AXIS, AND MIXING SCREW HAVING A GEOMETRICAL AXIS AND BEING MOUNTED WITHIN SAID CASING AND ROTATING ABOUT AN AXIS OF ROTATION, SAID
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |