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US3329318A Expired / Lapsed US ⏱️ 0.0 years remaining

Combination blender-dispenser for powdered materials

Assignee: Dart Industries Inc
•
Filing: 1965-05-10
•
Granted: 1967-07-04
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Expires: 1985-05-10
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Abstract

No abstract record available.

Inventors

  • 👤 James B Swett
  • 👤 Roland F Boulris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 20:53
CPC Classifications
A; A21; A21C; A21C15/00; A21C15/002; A21C15/005; A23; A23G; A23G3/00; A23G3/02; A23G3/20; A23G3/2076; A47; A47G; A47G19/00; A47G19/24; A47J; A47J43/00; A47J43/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 311 words
A GRANULAR, POWDERED AND THE LIKE MATERIALS DISPENSER COMPRISING IN COMBINATION A MAIN HOUSING HAVING A MATERIAL STORAGE COMPARTMENT THEREIN, MATERIAL DISPENSING MEANS AT THE BOTTOM END OF SAID HOUSING, AN ACTUATOR AT THE TOP END OF SAID HOUSING AND MOTION TRANSMITTING MEANS BETWEEN SAID ACTUATOR AND SAID MATERIAL DISPENSING MEANS FOR DISPENSING MATERIAL FROM SAID MATERIAL STORAGE COMPARTMENT; WHEREIN SAID HOUSING COMPRISES A SUBSTANTIALLY HOLLOW UNIT HAVING A TOP END WALL AND SIDE WALLS DOWNWARDLY EXTENDING THEREFROM AND TERMINATING IN A PERIPHERAL RIM SO AS TO IN PART DEFINE SAID STORAGE COMPARTMENT; AND SAID MATERIAL DISPENSING MEANS COMPRISING A BOTTOM MEMBER COMPRISING A GENERALLY CYLINDRICAL OUTER WALL HAVING A BOTTOM RIM AND AN UPSTANDING UPWARDLY DIRECTED U-SHAPED TOP RIM ENGAGEABLE WITH SAID SIDE WALLS PERIPHERAL RIM, AN END CLOSURE WALL GENERALLY NORMALLY DISPOSED TO SAID OUTER WALL AND UPWARDLY SPACED FROM THE BOTTOM RIM OF SAID OUTER WALL, SAID END CLOSURE WALL HAVING AN IMPERFORATE OUTER RING-SHAPER WEB INTEGRAL WALL HAVING OUTER WALL, AN IMPERFORATE CENTRAL WEB AND AN INTERMEDIATE WALL BETWEEN SAID WEBS PROVIDED WITH A PLURALITY OF OPENINGS THERETHROUGH SO AS TO FORM A SIEVE THROUGH WHICH MATERIAL WITHIN SAID STORAGE COMPARTMENT MAY BE DISPENSED, A ROTATABLE SIFTER MEMBER OPERATIVELY CONNECTED TO SAID MOTION TRANSMITTING MEANS AND MOVABLE BY MEANS OF SAID ACTUATOR, SAID SIFTER MEMBER BEING IN MAJOR SUPPORTED CONTACT WITH SAID PERFORATED END CLOSURE WALL AND COMPRISING A CENTRAL HUB PORTION HAVING A PLURALITY OF MATERIAL AGITATING ARMS RADIATING THEREFROM, SAID ARMS BEING IN LOW FRICTIONAL CONTACT WITH SAID PERFORATED INTEMEDIATE WALL AND OF AN UPPER MATERIAL CONTACTING CONFIGURATION CHARACTERIZED BY A RADIATING NARROW UPSTANDING RIB, SAID RIB OF A PROGRESSIVELY INCREASING HEIGHT TOWARDS THE SAID SIDE WALLS AND TERMINATING IN AN ENLARGED MATERIAL CONTACTING PADDLE GENERALLY SUPERIMPOSED CENTRALLY OVER THE PERIPHERY OF SAID IMPERFORATE OUTER WEB AND IN CLOSE NON-CONTACTING PROXIMITY TO SAID SIDE WALLS.
Claim 2
Dependent Claim 311 words
A GRANULAR, POWDERED AND THE LIKE MATERIALS DISPENSER COMPRISING IN COMBINATION A MAIN HOUSING HAVING A MATERIAL STORAGE COMPARTMENT THEREIN, MATERIAL DISPENSING MEANS AT THE BOTTOM END OF SAID HOUSING, AN ACTUATOR AT THE TOP END OF SAID HOUSING AND MOTION TRANSMITTING MEANS BETWEEN SAID ACTUATOR AND SAID MATERIAL DISPENSING MEANS FOR DISPENSING MATERIAL FROM SAID MATERIAL STORAGE COMPARTMENT; WHEREIN SAID HOUSING COMPRISES A SUBSTANTIALLY HOLLOW UNIT HAVING A TOP END WALL AND SIDE WALLS DOWNWARDLY EXTENDING THEREFROM AND TERMINATING IN A PERIPHERAL RIM SO AS TO IN PART DEFINE SAID STORAGE COMPARTMENT; AND SAID MATERIAL DISPENSING MEANS COMPRISING A BOTTOM MEMBER COMPRISING A GENERALLY CYLINDRICAL OUTER WALL HAVING A BOTTOM RIM AND AN UPSTANDING UPWARDLY DIRECTED U-SHAPED TOP RIM ENGAGEABLE WITH SAID SIDE WALLS PERIPHERAL RIM, AN END CLOSURE WALL GENERALLY NORMALLY DISPOSED TO SAID OUTER WALL AND UPWARDLY SPACED FROM THE BOTTOM RIM OF SAID OUTER WALL, SAID END CLOSURE WALL HAVING AN IMPERFORATE OUTER RING-SHAPER WEB INTEGRAL WALL HAVING OUTER WALL, AN IMPERFORATE CENTRAL WEB AND AN INTERMEDIATE WALL BETWEEN SAID WEBS PROVIDED WITH A PLURALITY OF OPENINGS THERETHROUGH SO AS TO FORM A SIEVE THROUGH WHICH MATERIAL WITHIN SAID STORAGE COMPARTMENT MAY BE DISPENSED, A ROTATABLE SIFTER MEMBER OPERATIVELY CONNECTED TO SAID MOTION TRANSMITTING MEANS AND MOVABLE BY MEANS OF SAID ACTUATOR, SAID SIFTER MEMBER BEING IN MAJOR SUPPORTED CONTACT WITH SAID PERFORATED END CLOSURE WALL AND COMPRISING A CENTRAL HUB PORTION HAVING A PLURALITY OF MATERIAL AGITATING ARMS RADIATING THEREFROM, SAID ARMS BEING IN LOW FRICTIONAL CONTACT WITH SAID PERFORATED INTEMEDIATE WALL AND OF AN UPPER MATERIAL CONTACTING CONFIGURATION CHARACTERIZED BY A RADIATING NARROW UPSTANDING RIB, SAID RIB OF A PROGRESSIVELY INCREASING HEIGHT TOWARDS THE SAID SIDE WALLS AND TERMINATING IN AN ENLARGED MATERIAL CONTACTING PADDLE GENERALLY SUPERIMPOSED CENTRALLY OVER THE PERIPHERY OF SAID IMPERFORATE OUTER WEB AND IN CLOSE NON-CONTACTING PROXIMITY TO SAID SIDE WALLS.

References Cited (Backward Citations)

US1292983A Cited
US1593312A Cited
US2168130A Cited
US2511357A Cited
US2695732A Cited
US2884876A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-03 1971-01-02 1971-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-03 1975-01-02 1975-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-03 1979-01-02 1979-07-04 $7700.00 Window Closed / Lapsed

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