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US3229614A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric toaster

Assignee: Individual
•
Filing: 1963-09-18
•
Granted: 1966-01-18
•
Expires: 1983-09-18
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Abstract

No abstract record available.

Inventors

  • 👤 Matzenauer Berard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 15:16
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; A47J37/0814

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 595 words
AN ELECTRIC TOASTER COMPRISING (1) A CASING HAVING AN UPPER INLET OPENING FOR THE LOADING OF SLICES OF BREAD INTO SAID TOASTER AND A LOWER OUTLET OPENING FOR THE WITHDRAWING OF SLICES OF TOAST FROM SAID TOASTER, (2) A PLURALITY OF HEATING ELEMENTS WITHIN SAID CASING IN SUCH SPACED RELATION ONE WITH ANOTHER TO ACCOMMODATE SLICES OF BREAD IN VERTICAL ORIENTATION BETWEEN ADJACENT ELEMENTS, SAID SLICES BEING LOADED BETWEEN SAID ELEMENTS THROUGH THE INLET OPENING IN SAID CASING, (3) A BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS, SAID PLATE BEING SIDEWISEDLY SHIFTABLY MOUNTED WITHIN SAID CASING AND FURTHER BEING CHARACTERIZED BY A PLURALITY OF SLOTTED REGIONS SEPARATED BY A PLURALITY OF SLAT PORTIONS, SAID SLAT PORTIONS BEING DISPOSED TO SUPPORT SLICES OF BREAD IN TOASTING POSITION BETWEEN SAID HEATING ELEMENTS IN ONE POSITION OF SIDEWISE SHIFTING OF SAID BOTTOM COVER PLATE AND SAID SLOTTED REGIONS BEING DISPOSED TO ALLOW SLICES OF TOAST TO DROP THROUGH THEM FROM BETWEEN SAID HEATING ELEMENTS TOWARD THE OUTLET OPENING IN SAID CASING IN ANOTHER POSITION OF SIDEWISE SHIFTING OF SAID BOTTOM COVER PLATE, (4) SPRING BIASING MEANS CONNECTED BETWEEN SAID CASING AND SAID BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS WHEREBY SAID BOTTOM COVER PLATE IS MAINTAINED NORMALLY IN ITS POSITION OF SIDEWISE SHIFTING IN WHICH ITS SLAT PORTIONS ARE DISPOSED TO SUPPORT SLICES OF BREAD IN TOASTING POSITION BETWEEN SAID HEATING ELEMENTS, (5) ELECTRIC SOLENOID OPERATING MEANS CONNECTED BETWEEN SAID CASING AND SAID BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS WHEREBY SAID BOTTOM COVER PLATE MAY BE SHIFTED AGAINST THE FORCE OF SAID SPRING BIASING MEANS INTO ITS POSITION IN WHICH ITS SLOTTED REGIONS ARE DISPOSED TO ALLOW SLICES OF TOAST TO DROP THROUGH THEM FROM BETWEEN SAID HEATING ELEMENTS TOWARD THE LOWER OUTLET OPENING OF SAID TOASTER, AND (6) AN ELECTRICAL SYSTEN INCLUDING (I) A TIMING AND ELECTRICAL CONTACT MAKING DEVICE WHEREBY AN ELECTRICAL CIRCUIT MAY BE COMPLETED THROUGH SAID HEATING ELEMENTS FOR A DETERMINATE TOASTING PERIOD AND SUBSEQUENTLY AN ELECTRICAL CIRCUIT COMPLETED THROUGH THE COIL ELEMENT OF SAID ELECTRIC SOLENOID OPERAING MEANS, THE CIRCUIT THROUGH SAID HEATING ELEMENTS HAVING BEEN INTERRUPED, (II) A MANUALLY OPERABLE ON-OFF SWITCH IN THE PARTICULAR PORTION OF THE SYSTEM WHERETHROUGH ELECTRICAL POWER IS SUPPLIED TO THE HEATING ELEMENTS, SAID ON-OFF SWITCH BEING SO MOUNTED IN THE TOASTER CASING THAT WHEN IT IS THE "ON" CONDITION ITS OPERATING LEVER IS DISPOSED TO BE STRUCK BY ACTION OF SAID ELECTRIC SOLENOID OPERATING MEANS IN THE COURSE OF THIS MEANS SHIFTING SAID BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS AGAINST THE FORCE OF SAID SPRING BIASING MEANS AND SAID ON-OFF SWITCH RESULTING BE THROWN INTO THE "OFF" CONDITION, AND (III) A THERMOPLASTIC SWITCH IN THE PARTICULAR PORTION OF THE SYSTEM WHERETHROUGH ELECTRICAL POWER IS SUPPLIED TO THE COIL ELEMENT OF SAID ELECTRIC SOLENOID OPERATING MEANS, SAID THERMOSTATIC SWITCH BEING SO MOUNTED IN THE TOASTER CASING AND BEING OF SUCH A NATURE THAT ITS CONTACT POINTS ARE NORMALLY OPEN AT RELATIVELY LOW TEMPERATURES; THAT IS, WHEN THE HEATING ELEMENTS ARE DEENERGIZED, AND CLOSED AT RELATIVELY HIGH TEMPERATURES; THAT IS, WHEN THE HEATING ELEMENTS ARE ENERGIZED, AND (7) MECHANICAL OPERATING MEANS WHEREBY SAID ELECTRICAL SYSTEM IS AUTOMATICALLY RESET AFTER EACH TOASTING AND TOAST DISCHARGING PERIOD TO PLACE SAID TIMING AND ELECTRICAL CONTACT MAKING DEVICE IN STARTING CONDITION WITH SAID MANUALLY OPERABLE ON-OFF SWITCH IN "OFF" CONDITION, SAID THERMOSTATIC SWITCH IN OPEN CONDITION, AND SAID BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS IN ITS POSITION OF SIDEWISE SHIFTING IN WHICH ITS SLAT PORTIONS ARE DISPOSED TO SUPPORT SLICES OF BREAD IN TOASTING POSITION BETWEEN SAID HEATING ELEMENTS.
Claim 2
Dependent Claim 595 words
AN ELECTRIC TOASTER COMPRISING (1) A CASING HAVING AN UPPER INLET OPENING FOR THE LOADING OF SLICES OF BREAD INTO SAID TOASTER AND A LOWER OUTLET OPENING FOR THE WITHDRAWING OF SLICES OF TOAST FROM SAID TOASTER, (2) A PLURALITY OF HEATING ELEMENTS WITHIN SAID CASING IN SUCH SPACED RELATION ONE WITH ANOTHER TO ACCOMMODATE SLICES OF BREAD IN VERTICAL ORIENTATION BETWEEN ADJACENT ELEMENTS, SAID SLICES BEING LOADED BETWEEN SAID ELEMENTS THROUGH THE INLET OPENING IN SAID CASING, (3) A BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS, SAID PLATE BEING SIDEWISEDLY SHIFTABLY MOUNTED WITHIN SAID CASING AND FURTHER BEING CHARACTERIZED BY A PLURALITY OF SLOTTED REGIONS SEPARATED BY A PLURALITY OF SLAT PORTIONS, SAID SLAT PORTIONS BEING DISPOSED TO SUPPORT SLICES OF BREAD IN TOASTING POSITION BETWEEN SAID HEATING ELEMENTS IN ONE POSITION OF SIDEWISE SHIFTING OF SAID BOTTOM COVER PLATE AND SAID SLOTTED REGIONS BEING DISPOSED TO ALLOW SLICES OF TOAST TO DROP THROUGH THEM FROM BETWEEN SAID HEATING ELEMENTS TOWARD THE OUTLET OPENING IN SAID CASING IN ANOTHER POSITION OF SIDEWISE SHIFTING OF SAID BOTTOM COVER PLATE, (4) SPRING BIASING MEANS CONNECTED BETWEEN SAID CASING AND SAID BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS WHEREBY SAID BOTTOM COVER PLATE IS MAINTAINED NORMALLY IN ITS POSITION OF SIDEWISE SHIFTING IN WHICH ITS SLAT PORTIONS ARE DISPOSED TO SUPPORT SLICES OF BREAD IN TOASTING POSITION BETWEEN SAID HEATING ELEMENTS, (5) ELECTRIC SOLENOID OPERATING MEANS CONNECTED BETWEEN SAID CASING AND SAID BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS WHEREBY SAID BOTTOM COVER PLATE MAY BE SHIFTED AGAINST THE FORCE OF SAID SPRING BIASING MEANS INTO ITS POSITION IN WHICH ITS SLOTTED REGIONS ARE DISPOSED TO ALLOW SLICES OF TOAST TO DROP THROUGH THEM FROM BETWEEN SAID HEATING ELEMENTS TOWARD THE LOWER OUTLET OPENING OF SAID TOASTER, AND (6) AN ELECTRICAL SYSTEN INCLUDING (I) A TIMING AND ELECTRICAL CONTACT MAKING DEVICE WHEREBY AN ELECTRICAL CIRCUIT MAY BE COMPLETED THROUGH SAID HEATING ELEMENTS FOR A DETERMINATE TOASTING PERIOD AND SUBSEQUENTLY AN ELECTRICAL CIRCUIT COMPLETED THROUGH THE COIL ELEMENT OF SAID ELECTRIC SOLENOID OPERAING MEANS, THE CIRCUIT THROUGH SAID HEATING ELEMENTS HAVING BEEN INTERRUPED, (II) A MANUALLY OPERABLE ON-OFF SWITCH IN THE PARTICULAR PORTION OF THE SYSTEM WHERETHROUGH ELECTRICAL POWER IS SUPPLIED TO THE HEATING ELEMENTS, SAID ON-OFF SWITCH BEING SO MOUNTED IN THE TOASTER CASING THAT WHEN IT IS THE "ON" CONDITION ITS OPERATING LEVER IS DISPOSED TO BE STRUCK BY ACTION OF SAID ELECTRIC SOLENOID OPERATING MEANS IN THE COURSE OF THIS MEANS SHIFTING SAID BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS AGAINST THE FORCE OF SAID SPRING BIASING MEANS AND SAID ON-OFF SWITCH RESULTING BE THROWN INTO THE "OFF" CONDITION, AND (III) A THERMOPLASTIC SWITCH IN THE PARTICULAR PORTION OF THE SYSTEM WHERETHROUGH ELECTRICAL POWER IS SUPPLIED TO THE COIL ELEMENT OF SAID ELECTRIC SOLENOID OPERATING MEANS, SAID THERMOSTATIC SWITCH BEING SO MOUNTED IN THE TOASTER CASING AND BEING OF SUCH A NATURE THAT ITS CONTACT POINTS ARE NORMALLY OPEN AT RELATIVELY LOW TEMPERATURES; THAT IS, WHEN THE HEATING ELEMENTS ARE DEENERGIZED, AND CLOSED AT RELATIVELY HIGH TEMPERATURES; THAT IS, WHEN THE HEATING ELEMENTS ARE ENERGIZED, AND (7) MECHANICAL OPERATING MEANS WHEREBY SAID ELECTRICAL SYSTEM IS AUTOMATICALLY RESET AFTER EACH TOASTING AND TOAST DISCHARGING PERIOD TO PLACE SAID TIMING AND ELECTRICAL CONTACT MAKING DEVICE IN STARTING CONDITION WITH SAID MANUALLY OPERABLE ON-OFF SWITCH IN "OFF" CONDITION, SAID THERMOSTATIC SWITCH IN OPEN CONDITION, AND SAID BOTTOM COVER PLATE FOR SAID HEATING ELEMENTS IN ITS POSITION OF SIDEWISE SHIFTING IN WHICH ITS SLAT PORTIONS ARE DISPOSED TO SUPPORT SLICES OF BREAD IN TOASTING POSITION BETWEEN SAID HEATING ELEMENTS.

References Cited (Backward Citations)

US1739155A Cited
US1757951A Cited
US2465577A Cited
US2644392A Cited
US2593642A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-01-17 1969-07-19 1970-01-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-01-17 1973-07-19 1974-01-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-01-17 1977-07-19 1978-01-18 $7700.00 Window Closed / Lapsed

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