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US3351233A Expired / Lapsed US ⏱️ 0.0 years remaining

Refrigerated food dispenser having a reciprocating ejector

Assignee: Individual
•
Filing: 1966-02-21
•
Granted: 1967-11-07
•
Expires: 1986-02-21
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Abstract

No abstract record available.

Inventors

  • 👤 Lawrence H Chanoch
  • 👤 Blumberg Sidney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 12:25
CPC Classifications
F; F25; F25B; F25B21/00; F25B21/02; A; A47; A47F; A47F1/00; A47F1/04; G; G07; G07F; G07F9/00; G07F9/10; G07F9/105

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 423 words
IN A REFRIGERATED DEVICE FOR THE DISPLAY AND DISPENSING OF FOOD PRODUCTS ARRANGED IN THE FORM OF FLAT PADS, AN ELONGATE CHUTE HAVING A CROSS-SECTIONAL DIMENSION SLIGHTLY GREATER THAN THE CROSS-SECTIONAL DIMENSION OF THE PADS FOR RECEIVING A PLURALITY OF PADS STACKED ONE ON THE OTHER THEREIN, SAID CHUTE BEING FORMED WITH FORNT, SIDE AND BACK WALLS AND PORTIONS EXTENDING HORIZONTALLY INWARDLY FROM THE LOWER ENDS OF THE SIDE WALLS TO DEFINE A BOTTOM WALL ON WHICH THE LOWERMOST PAD OF THE STACK RESTS WITH THE INWARDLY EXTENDING PORTIONS TERMINATING SHORT OF ONE ANOTHER TO PROVIDE A SLOT THEREBETWEEN, A SLOT IN THE FRONT WALL DIMENSIONED TO HAVE A WIDTH SLIGHTLY GREATERF THAN THE WIDTH OF THE PADS AND EXTENDING UPWARDLY FROM THE BOTTOM WALL FOR A DISTANCE GREATER THAN THE HEIGHT OF ONE PAD BUT LESS THAN THE HEIGHT OF TWO TO ENABLE A SINGLE LOWERMOST PAD IN THE STACK TO BE DISPLACED FORWARDLY OVER THE BOTTOM WALL FOR PASSAGE THERETHROUGH, ANOTHER SLOT IN THE BACK WALL IN LENGTHWISE ALIGNMENT WITH THE SLOT IN FRONT WALL AND EXTENDING UPWARDLY FROM THE BOTTOM WALL, A HOUSING, A FRONT COMPARTMENT IN THE HOUSING DIMENSIONED REMOVABLY TO RECEIVE A CHUTE THEREIN IN VERICAL POSITION, AN ELONGATE SLIDE MOUNTED IN THE HOUSING FOR LONGITUDINAL MOVEMENT BETWEEN RETRACTED AND OPERATED POSITIONS WITH AN INTERMEDIATE PORTION OF THE SLIDE OPERATIVE IN THE SLOTS OF THE BOTTOM WALL SUBSTANTIALLY FLUSH WITH THE BOTTOM WALL, SAID SLIDE BEING DIMENSIONED TO HAVE A LENGTH GREATER THAN THE DEPTH OF THE CHUTE TO PROVIDE A FORWARD HANDLE PORTION EXTENDING FORWARDLY OF THE HOUSING AND A TRAILING PORTION EXTENDING REARWARDLY OF THE CHUTE WHEN IN RETRACTED POSITION, AN ABUTMENT EXTENDING UPWARDLY FROM THE PORTION OF THE SLIDE REARWARDLY OF THE CHUTE DIMENSIONED TO HAVE A WIDTH LESS THAN THE WIDTH OF THE REAR SLOT AND A HEIGHT LESS THAN THE HEIGHT OF THE REAR SLOT TO ENABLE DISPLACEMENT OF THE ABUTMENT FORWARDLY WITH THE SLIDE THROUGH THE SLOT FOR ENGAGEMENT WITH THE LOWERMOST PAD IN THE STACK, AN OPENING IN THE HOUSING ABOVE THE SLIDE DIMENSIONED TO HAVE A HEIGHT GREATER THAN ONE PAD TO ENABLE THE PAD TO BE DISPLACED WITH THE SLIDE TO THE OUTSIDE OF THE HOUSING, MEANS CONSTANTLY URGING THE SLIDE TOWARD RETRACTED POSITIONS, AND REFRIGERATION MEANS FOR COOLING THE FRONT COMPARTMENT COMPRISING WALL FORMED OF HIGH HEAT CONDUCTIVE MATERIAL IN HEAT TRANSFER RELATION WITH THE BACK WALL OF THE FRONT COMPARTMENT AND A THERMOELECTRIC MODULE MOUNTED WITH ITS COLD JUNCTION HEAT CONDUCTIVE RELATIONSHIP WITH SAID HEAT CONDUCTIVE WALL.
Claim 2
Dependent Claim 423 words
IN A REFRIGERATED DEVICE FOR THE DISPLAY AND DISPENSING OF FOOD PRODUCTS ARRANGED IN THE FORM OF FLAT PADS, AN ELONGATE CHUTE HAVING A CROSS-SECTIONAL DIMENSION SLIGHTLY GREATER THAN THE CROSS-SECTIONAL DIMENSION OF THE PADS FOR RECEIVING A PLURALITY OF PADS STACKED ONE ON THE OTHER THEREIN, SAID CHUTE BEING FORMED WITH FORNT, SIDE AND BACK WALLS AND PORTIONS EXTENDING HORIZONTALLY INWARDLY FROM THE LOWER ENDS OF THE SIDE WALLS TO DEFINE A BOTTOM WALL ON WHICH THE LOWERMOST PAD OF THE STACK RESTS WITH THE INWARDLY EXTENDING PORTIONS TERMINATING SHORT OF ONE ANOTHER TO PROVIDE A SLOT THEREBETWEEN, A SLOT IN THE FRONT WALL DIMENSIONED TO HAVE A WIDTH SLIGHTLY GREATERF THAN THE WIDTH OF THE PADS AND EXTENDING UPWARDLY FROM THE BOTTOM WALL FOR A DISTANCE GREATER THAN THE HEIGHT OF ONE PAD BUT LESS THAN THE HEIGHT OF TWO TO ENABLE A SINGLE LOWERMOST PAD IN THE STACK TO BE DISPLACED FORWARDLY OVER THE BOTTOM WALL FOR PASSAGE THERETHROUGH, ANOTHER SLOT IN THE BACK WALL IN LENGTHWISE ALIGNMENT WITH THE SLOT IN FRONT WALL AND EXTENDING UPWARDLY FROM THE BOTTOM WALL, A HOUSING, A FRONT COMPARTMENT IN THE HOUSING DIMENSIONED REMOVABLY TO RECEIVE A CHUTE THEREIN IN VERICAL POSITION, AN ELONGATE SLIDE MOUNTED IN THE HOUSING FOR LONGITUDINAL MOVEMENT BETWEEN RETRACTED AND OPERATED POSITIONS WITH AN INTERMEDIATE PORTION OF THE SLIDE OPERATIVE IN THE SLOTS OF THE BOTTOM WALL SUBSTANTIALLY FLUSH WITH THE BOTTOM WALL, SAID SLIDE BEING DIMENSIONED TO HAVE A LENGTH GREATER THAN THE DEPTH OF THE CHUTE TO PROVIDE A FORWARD HANDLE PORTION EXTENDING FORWARDLY OF THE HOUSING AND A TRAILING PORTION EXTENDING REARWARDLY OF THE CHUTE WHEN IN RETRACTED POSITION, AN ABUTMENT EXTENDING UPWARDLY FROM THE PORTION OF THE SLIDE REARWARDLY OF THE CHUTE DIMENSIONED TO HAVE A WIDTH LESS THAN THE WIDTH OF THE REAR SLOT AND A HEIGHT LESS THAN THE HEIGHT OF THE REAR SLOT TO ENABLE DISPLACEMENT OF THE ABUTMENT FORWARDLY WITH THE SLIDE THROUGH THE SLOT FOR ENGAGEMENT WITH THE LOWERMOST PAD IN THE STACK, AN OPENING IN THE HOUSING ABOVE THE SLIDE DIMENSIONED TO HAVE A HEIGHT GREATER THAN ONE PAD TO ENABLE THE PAD TO BE DISPLACED WITH THE SLIDE TO THE OUTSIDE OF THE HOUSING, MEANS CONSTANTLY URGING THE SLIDE TOWARD RETRACTED POSITIONS, AND REFRIGERATION MEANS FOR COOLING THE FRONT COMPARTMENT COMPRISING WALL FORMED OF HIGH HEAT CONDUCTIVE MATERIAL IN HEAT TRANSFER RELATION WITH THE BACK WALL OF THE FRONT COMPARTMENT AND A THERMOELECTRIC MODULE MOUNTED WITH ITS COLD JUNCTION HEAT CONDUCTIVE RELATIONSHIP WITH SAID HEAT CONDUCTIVE WALL.

References Cited (Backward Citations)

US593132A Cited
US1170705A Cited
US716507A Cited
US785883A Cited
US1379524A Cited
US1706324A Cited
US1951746A Cited
US1947322A Cited
US2201464A Cited
US2399612A Cited
US2560327A Cited
US3251188A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-11-06 1971-05-08 1971-11-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-11-06 1975-05-08 1975-11-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-11-06 1979-05-08 1979-11-07 $7700.00 Window Closed / Lapsed

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