US3308991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blender for slurries and mixtures
Assignee: Exactel Instrument Co
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Filing: 1965-06-14
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Granted: 1967-03-14
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Expires: 1985-06-14
Abstract
No abstract record available.
Inventors
- 👤 Eugene A Glassey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:32
CPC Classifications
B; B01; B01J; B01J4/00; B01J4/008; B01F; B01F35/00; B01F35/20; B01F35/21; B01F35/211; B01F35/2112; B01F35/2117; B01F35/2134; B01F35/80; B01F35/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A DEVICE FOR CONTROLLING DENSITY OF A MIXTURE OF TWO INGREDIENTS, A TANK, A FIRST CONDUIT FOR A FIRST INGREDIENT HAVING A FIRST VALVE, A SECOND CONDUIT FOR A SECOND INGREDIENT HAVING A SECOND VALVE, SAID FIRST AND SECOND CONDUITS DISCHARGING INTO SAID TANK, SAID CONDUITS MECHANICALLY SEPARATED FROM SAID TANK AND SAID TANK MOVALABE INDEPENDENTLY OF SAID CONDUITS, FIRST MEANS FOR WITHDRAWING MIXED INGREDIENTS FROM SAID TANK, A BLALANCE, LSECOND MEANS FOR APPLYING THE WEIGHT OF SAID TANK AND ITS CONTENTS TO SAID BALANCE, A COUNTERWEIGHT ON SAID BALANCE, AN ARMATURE, MOVABLE WITH SAID BALANCE, A DIFFERENTIAL TRANSFORMER EXCITED BY MOVEMENT OF SAID ARMATURE, A SERVO-MOTOR CONTROLLED BY SAID DIFFERENTIAL TRNASFORMER, AND THIRD MEANS ACTUATED BY SAID SERVOMOTOR FOR ADJUSTING THE RELATIVE OPENINGS OF SAID VALVES TO MAINTAIN THE DELIVERY OF SAID INGREDIENTS TO SAID TANK SUCH THAT THE WEIGHT OF A FIXED QUANTITY OF MIXED INGREDIENTS EQUALS A SELECTED VALUE.
Claim 2
Dependent Claim
153 words
IN A DEVICE FOR CONTROLLING DENSITY OF A MIXTURE OF TWO INGREDIENTS, A TANK, A FIRST CONDUIT FOR A FIRST INGREDIENT HAVING A FIRST VALVE, A SECOND CONDUIT FOR A SECOND INGREDIENT HAVING A SECOND VALVE, SAID FIRST AND SECOND CONDUITS DISCHARGING INTO SAID TANK, SAID CONDUITS MECHANICALLY SEPARATED FROM SAID TANK AND SAID TANK MOVALABE INDEPENDENTLY OF SAID CONDUITS, FIRST MEANS FOR WITHDRAWING MIXED INGREDIENTS FROM SAID TANK, A BLALANCE, LSECOND MEANS FOR APPLYING THE WEIGHT OF SAID TANK AND ITS CONTENTS TO SAID BALANCE, A COUNTERWEIGHT ON SAID BALANCE, AN ARMATURE, MOVABLE WITH SAID BALANCE, A DIFFERENTIAL TRANSFORMER EXCITED BY MOVEMENT OF SAID ARMATURE, A SERVO-MOTOR CONTROLLED BY SAID DIFFERENTIAL TRNASFORMER, AND THIRD MEANS ACTUATED BY SAID SERVOMOTOR FOR ADJUSTING THE RELATIVE OPENINGS OF SAID VALVES TO MAINTAIN THE DELIVERY OF SAID INGREDIENTS TO SAID TANK SUCH THAT THE WEIGHT OF A FIXED QUANTITY OF MIXED INGREDIENTS EQUALS A SELECTED VALUE.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |