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US3313331A Expired / Lapsed US ⏱️ 0.0 years remaining

Nut meat chopper

Assignee: Washburn Co
•
Filing: 1964-06-29
•
Granted: 1967-04-11
•
Expires: 1984-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Pierro Michael J Di
  • 👤 Lawrence J Richard
  • 👤 Robert E Pulver

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 19:50
CPC Classifications
A; A47; A47J; A47J42/00; A47J42/22; A47J42/24; B; B02; B02C; B02C18/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 304 words
IN A MATERIAL CHOPPING DEVICE OF THE CHARACTER DESCRIBED COMPRISING A HOPPER, A SLOTTED PLATE ACROSS THE LOWER PORTION OF SAID HOPPER ON WHICH THE MATERIAL TO BE CHOPPED IS SUPPORTED, AND A ROTARY CUTTER HAVING PROJECTIONS ALL DISPOSED SUBSTANTIALLY IN A COMMON PLANE THROUGH THE AXIS OF ROTATION MOVABLE THROUGH THE SLOTS IN SAID PLATE TO CHOP THE MATERIAL BETWEEN SAID PLATE AND PROJECTIONS, THE DEVICE BEING ADAPTED TO BE MOUNTED IN FIXED RELATION TO THE TOP OF A CONTAINER, WHEREBY MATERIAL PLACED IN SAID HOPPER AND CHOPPED WILL DROP INTO SAID CONTAINER AND MAY BE DISPENSED FROM SAID CONTAINER THROUGH THE SLOTTED PLATE WHEN THE CONTAINER IS INVERTED AND THE ROTARY CUTTER IS TURNED, THE IMPROVEMENT WHICH CONSISTS IN PROVIDING THE HOPPER OF CIRCULAR FORM AND MOLDED OF PLASTIC MATERIAL, THE SLOTTED PLATE BEING DISPOSED INSIDE THE HOPPER AND BEING ALSO OF CIRCULAR FORM BUT BEING UNDULATED TO PROVIDE TWO PARALLEL MATERIAL RETAINING TROUGHTS TRANSVERSELY OF SAID PLATE SPACED ON OPPOSITE SIDES OF THE CENTER OF SAID PLATE AND HOPPER TO FACILITATE CHOPPING OF THE MATERIAL WITH THE ROTARY CUTTER TURNED IN EITHER DIRECTION, ONE TROUGH BEING USE IN ONE DIRECTION OF ROTATION OF THE CUTTER AND THE OTHER TROUGH IN THE OPPOSITE DIRECTION OF ROTATION, SAID PLATE HAVING ITS EDGES EMBEDDED IN SAID PLASTIC MATERIAL SO THAT IT SERVES TO SEAL THE JOINT BETWEEN THE EDGES OF SAID PLATE AND SAID HOPPER, THE UNDULATIONS POSITIVELY PREVENTING TURNING OF SAID CIRCULAR PLATE RELATIVE TO SAID CIRCULAR HOPPER, THE SLOTTED PLATE IN THE INVERTED POSITION OF THE CONTAINER AND CHOPPING DEVICE DEFINING ANOTHER MATERIAL RETAINING TROUGH DIAMETRICALLY THEREOF BETWEEN THE FIRST MENTIONED TWO MATERIAL RETAINING TROUGHS TO FACILITATE FURTHER CHOPPING OF THE MATERIAL AND ALSO TO REGULATE THE DISCHARGE OF THE MATERIAL THROUGH THE HOPPER WITH THE ROTARY CUTTER TURNED IN EITHER DIRECTION.
Claim 2
Dependent Claim 304 words
IN A MATERIAL CHOPPING DEVICE OF THE CHARACTER DESCRIBED COMPRISING A HOPPER, A SLOTTED PLATE ACROSS THE LOWER PORTION OF SAID HOPPER ON WHICH THE MATERIAL TO BE CHOPPED IS SUPPORTED, AND A ROTARY CUTTER HAVING PROJECTIONS ALL DISPOSED SUBSTANTIALLY IN A COMMON PLANE THROUGH THE AXIS OF ROTATION MOVABLE THROUGH THE SLOTS IN SAID PLATE TO CHOP THE MATERIAL BETWEEN SAID PLATE AND PROJECTIONS, THE DEVICE BEING ADAPTED TO BE MOUNTED IN FIXED RELATION TO THE TOP OF A CONTAINER, WHEREBY MATERIAL PLACED IN SAID HOPPER AND CHOPPED WILL DROP INTO SAID CONTAINER AND MAY BE DISPENSED FROM SAID CONTAINER THROUGH THE SLOTTED PLATE WHEN THE CONTAINER IS INVERTED AND THE ROTARY CUTTER IS TURNED, THE IMPROVEMENT WHICH CONSISTS IN PROVIDING THE HOPPER OF CIRCULAR FORM AND MOLDED OF PLASTIC MATERIAL, THE SLOTTED PLATE BEING DISPOSED INSIDE THE HOPPER AND BEING ALSO OF CIRCULAR FORM BUT BEING UNDULATED TO PROVIDE TWO PARALLEL MATERIAL RETAINING TROUGHTS TRANSVERSELY OF SAID PLATE SPACED ON OPPOSITE SIDES OF THE CENTER OF SAID PLATE AND HOPPER TO FACILITATE CHOPPING OF THE MATERIAL WITH THE ROTARY CUTTER TURNED IN EITHER DIRECTION, ONE TROUGH BEING USE IN ONE DIRECTION OF ROTATION OF THE CUTTER AND THE OTHER TROUGH IN THE OPPOSITE DIRECTION OF ROTATION, SAID PLATE HAVING ITS EDGES EMBEDDED IN SAID PLASTIC MATERIAL SO THAT IT SERVES TO SEAL THE JOINT BETWEEN THE EDGES OF SAID PLATE AND SAID HOPPER, THE UNDULATIONS POSITIVELY PREVENTING TURNING OF SAID CIRCULAR PLATE RELATIVE TO SAID CIRCULAR HOPPER, THE SLOTTED PLATE IN THE INVERTED POSITION OF THE CONTAINER AND CHOPPING DEVICE DEFINING ANOTHER MATERIAL RETAINING TROUGH DIAMETRICALLY THEREOF BETWEEN THE FIRST MENTIONED TWO MATERIAL RETAINING TROUGHS TO FACILITATE FURTHER CHOPPING OF THE MATERIAL AND ALSO TO REGULATE THE DISCHARGE OF THE MATERIAL THROUGH THE HOPPER WITH THE ROTARY CUTTER TURNED IN EITHER DIRECTION.

References Cited (Backward Citations)

US2001075A Cited
US2121453A Cited
US2280211A Cited
US3029851A Cited
US3115172A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-04-10 1970-10-10 1971-04-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-04-10 1974-10-10 1975-04-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-04-10 1978-10-10 1979-04-11 $7700.00 Window Closed / Lapsed

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