US3197181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blender
Assignee: Individual
•
Filing: 1960-11-15
•
Granted: 1965-07-27
•
Expires: 1980-11-15
Abstract
No abstract record available.
Inventors
- 👤 Edward F Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:13
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/86; B01F33/862
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A DEVICE FOR MIXING A VISCOUS LIQUID COMPRISING A CHAMBER DIVIDED TRANSVERSELY INTO UPPER AND LOWER PORTIONS, THE UPPER PORTIONS CONSTITUTINGG A STATOR AND COMPRISING A PLURALITY OF RADIAL VANES HAVING OPEN SPACES THEREBETWEEN, SAID LOWER PORTION HOUSING A PROPELLER MEANS AND SAID LOWER PORTION BEING OTHERWISE UNOBSTRUCTED, SAID PROPELLER MEANS COMPRISING A PLURALITY OF BLADES AND AN UPWARDLY EXTENDING DRIVE SHAFT MOUNTING SAID BLADES ON ITS LOWER END FOR ROTATION THEREWITH, SAID BLADES EXTENDING PARALLEL TO THE LOWER SURFACE OF SAID STATOR AND CLOSELY CONTIGUOUS THERETO THROUGHOUT THE ENTIRE EXTENT OF THE UPPER EDGE OF SAID BLADES, WHEREBY THE LIQUID IS SHEARED AND FORCED THROUGH SAID STATOR TO HOMOGENIZE THE SAME.
Claim 2
Independent Claim
112 words
A DEVICE FOR MIXING A VISCOUS LIQUID COMPRISING A CHAMBER DIVIDED TRANSVERSELY INTO UPPER AND LOWER PORTIONS, THE UPPER PORTIONS CONSTITUTINGG A STATOR AND COMPRISING A PLURALITY OF RADIAL VANES HAVING OPEN SPACES THEREBETWEEN, SAID LOWER PORTION HOUSING A PROPELLER MEANS AND SAID LOWER PORTION BEING OTHERWISE UNOBSTRUCTED, SAID PROPELLER MEANS COMPRISING A PLURALITY OF BLADES AND AN UPWARDLY EXTENDING DRIVE SHAFT MOUNTING SAID BLADES ON ITS LOWER END FOR ROTATION THEREWITH, SAID BLADES EXTENDING PARALLEL TO THE LOWER SURFACE OF SAID STATOR AND CLOSELY CONTIGUOUS THERETO THROUGHOUT THE ENTIRE EXTENT OF THE UPPER EDGE OF SAID BLADES, WHEREBY THE LIQUID IS SHEARED AND FORCED THROUGH SAID STATOR TO HOMOGENIZE THE SAME.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |