US3332628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for mixing, grinding, dispersing or dissolving materials comprising solid particles in a liquid
Assignee: Individual
•
Filing: 1964-05-25
•
Granted: 1967-07-25
•
Expires: 1984-05-25
Abstract
No abstract record available.
Inventors
- 👤 Wadham Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:25
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/16; A; A23; A23G; A23G3/00; A23G3/02; A23G3/0205; B01; B01F; B01F27/00; B01F27/80; B01F33/00; B01F33/25; B01F33/251
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
112 words
IN THE METHOD OF MIXING, GRINDING, DISPERSING OR DISSOLVING TREATMENT OF LIQUIDS CONTAINING SOLID PARTICLES, WHEREIN THE LIQUID MATERIAL IS CONTAINED IN OR PASSES THROUGH A VESSEL CONTAINING A MASS OF DISCRETE ELEMENTS AND THESE ELEMENTS ARE ACTIVATED IN RANDOM MOTION OF ACT ON THE SAID MATERIAL, THE STEPS WHICH COMPRISE CAUSING THE MASS OF ELEMENTS TO BE ACTIVATED WHILE THE VOLUME OF THE WORKING SPACE IS SUFFICIENTLY LARGE TO ALLOW A CERTAIN FREEDOM OF MOVEMENT OF THE SAID ELEMENTS AWAY FROM ONE ANOTHER AND THEN CONTRACTING THE SAID VOLUME AND CONTINUING THE TREATMENT WHILE THE ELEMENTS ARE STILL BEING ACTIVATED BUT ARE MAINTAINED IN CLOSE OR CONTACTING PROXIMITY WITH ONE ANOTHER.
Claim 2
Dependent Claim
112 words
IN THE METHOD OF MIXING, GRINDING, DISPERSING OR DISSOLVING TREATMENT OF LIQUIDS CONTAINING SOLID PARTICLES, WHEREIN THE LIQUID MATERIAL IS CONTAINED IN OR PASSES THROUGH A VESSEL CONTAINING A MASS OF DISCRETE ELEMENTS AND THESE ELEMENTS ARE ACTIVATED IN RANDOM MOTION OF ACT ON THE SAID MATERIAL, THE STEPS WHICH COMPRISE CAUSING THE MASS OF ELEMENTS TO BE ACTIVATED WHILE THE VOLUME OF THE WORKING SPACE IS SUFFICIENTLY LARGE TO ALLOW A CERTAIN FREEDOM OF MOVEMENT OF THE SAID ELEMENTS AWAY FROM ONE ANOTHER AND THEN CONTRACTING THE SAID VOLUME AND CONTINUING THE TREATMENT WHILE THE ELEMENTS ARE STILL BEING ACTIVATED BUT ARE MAINTAINED IN CLOSE OR CONTACTING PROXIMITY WITH ONE ANOTHER.
Claim 3
Dependent Claim
90 words
APPARATUS FOR MIXING, GRINDING, DISPERSING OR DISSOLVING TREATMENT OF LIQUID CONTAINING SOLID PARTICLES, COMPRISING A VESSEL CONTAINING A MASS OF DISCRETE ELEMENTS, MEANS FOR ACTIVATING THE SAID ELEMENTS AND ADJUSTABLE MEANS FOR VARYING THE WORKING VOLUME OF THE VESSEL; SAID LATTER MEANS BEING ADJUSTABLE IN RELATION TO THE MASS OF ELEMENTS IN THE VESSEL SO THAT THE WORKING SPACE CAN BE REDUCED SUBSTANTIALLY TO THE VOLUME OF THE MASS OF THE ELEMENTS IN CONTACT WITH ONE ANOTHER AND THE VOIDS CREATED THEREBY WHILE THE SAID ACTIVATING MEANS ARE IN OPERATION.
Claim 4
Dependent Claim
90 words
APPARATUS FOR MIXING, GRINDING, DISPERSING OR DISSOLVING TREATMENT OF LIQUID CONTAINING SOLID PARTICLES, COMPRISING A VESSEL CONTAINING A MASS OF DISCRETE ELEMENTS, MEANS FOR ACTIVATING THE SAID ELEMENTS AND ADJUSTABLE MEANS FOR VARYING THE WORKING VOLUME OF THE VESSEL; SAID LATTER MEANS BEING ADJUSTABLE IN RELATION TO THE MASS OF ELEMENTS IN THE VESSEL SO THAT THE WORKING SPACE CAN BE REDUCED SUBSTANTIALLY TO THE VOLUME OF THE MASS OF THE ELEMENTS IN CONTACT WITH ONE ANOTHER AND THE VOIDS CREATED THEREBY WHILE THE SAID ACTIVATING MEANS ARE IN OPERATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |