US3154296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam arrestor for mixing machine
Assignee: Individual
•
Filing: 1961-01-25
•
Granted: 1964-10-27
•
Expires: 1981-01-25
Abstract
No abstract record available.
Inventors
- 👤 Leslie L Balassa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:16
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/86; B01F33/862
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A MIXING DEVICE HAVING LOW FOAMING CHARACTERISTICS DURING MIXING OF MATERIAL WITHIN A CONTAINER COMPRISING A MIXING HEAD FOR OPERATION WITHIN SAID CONTAINER, SAID MIXING HEAD COMPRISING A STATOR AND A ROTOR, REMOTE DRIVE MEANS FOR SAID ROTOR, A SHAFT CONNECTING SAID DRIVE MEANS TO SAID ROTOR, MEANS FOR PREVENTING ROTATION OF SAID STATOR, AND FOAM ARRESTING MEANS COMPRISING A SLEEVE OF POROUS, ABSORBENT STRUCTURE JOURNALED ON AND SHORTER THAN SAID SHAFT, AND MEANS NON-ROTATABLY SUPPORTING SAID SLEEVE ON SAID SHAFT AND SPACED FROM SAID
Claim 2
Dependent Claim
85 words
A MIXING DEVICE HAVING LOW FOAMING CHARACTERISTICS DURING MIXING OF MATERIAL WITHIN A CONTAINER COMPRISING A MIXING HEAD FOR OPERATION WITHIN SAID CONTAINER, SAID MIXING HEAD COMPRISING A STATOR AND A ROTOR, REMOTE DRIVE MEANS FOR SAID ROTOR, A SHAFT CONNECTING SAID DRIVE MEANS TO SAID ROTOR, MEANS FOR PREVENTING ROTATION OF SAID STATOR, AND FOAM ARRESTING MEANS COMPRISING A SLEEVE OF POROUS, ABSORBENT STRUCTURE JOURNALED ON AND SHORTER THAN SAID SHAFT, AND MEANS NON-ROTATABLY SUPPORTING SAID SLEEVE ON SAID SHAFT AND SPACED FROM SAID
References Cited (Backward Citations)
US2485216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |