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US3347153A Expired / Lapsed US ⏱️ 0.0 years remaining

Toaster

Assignee: Dominion Electric Corp
•
Filing: 1966-01-26
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Granted: 1967-10-17
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Expires: 1986-01-26
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Abstract

No abstract record available.

Inventors

  • 👤 Earl E Sutton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 18:07
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/22; A; A47; A47J; A47J37/00; A47J37/06; A47J37/08; A47J37/0807; H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0071; H05B3/0076

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 214 words
A TOASTER FOR BREAD OR THE LIKE COMPRISING, A SUPPORTING SHELL STRUCTURE HAVING AN UPRIGHT SLOT EXTENDING DOWNWARDLY FROM THE UPPER OPEN END THEREOF BETWEEN OPPOSITE SIDES OF THE SHELL STRUCTURE FOR ACCOMMODATING THEREIN BREAD OR THE LIKE IN A GENERALLY UPRIGHT PLANE, A PAIR OF TUBULAR ELECTRICALLY ENERGIZABLE RADIANT INFRARED HEATERS DISPOSED, RESPECTIVELY, ON OPPOSITE SIDES OF SAID SLOT AND EXTENDED SUBSTANTIALLY THE FULL LENGTH OF SAID SHELL AND HORIZONTALLY ALONG THE LENGTH OF SAID SLOT SUBSTANTIALLY EQUIDISTANT THE TOP AND BOTTOM OF SAID SLOT, A PAIR OF REFLECTORS DISPOSED, RESPECTIVELY, ON OPPOSITE SIDES OF SAID SLOT, SAID REFLECTORS EACH BEING FORMED IN A MODIFIED HYPERBOLIC CONTINUOUS CURVED GENERATED ABOUT THE AXIS OF EACH SAID HEATER, THE SAID AXIS BEING SPACED TOWARD SAID SLOT FROM THE AXIS OF A CORRESPONDING TRUE HYPERBOLIC CURVE, HEAT ENERGY DIRECTLY FROM SAID HEATERS AND REFLECTED THEREFROM BY SAID REFLECTORS BEING DIRECTED TOWARD SAID SLOT TO TOAST OPPOSITE SIDES OF BREAD OR THE LIKE IN SAID SLOT, THE MODIFIED HYPERBOLIC CURVE OF SAID REFLECTORS PROVIDING THAT ENERGY REFLECTED THEREBY DIVERGES AWAY FROM A HORIZONTAL PLANE THROUGH THE SAID HEATERS TO TOAST BY SAID REFLECTED ENERGY REGIONS OF THE BREAD OR THE LIKE THAT ARE MORE REMOTE THAN THE REGIONS CLOSETS TO SAID HEATERS RECEIVING DIRECT HEAT ENERGY FROM
Claim 2
Dependent Claim 214 words
A TOASTER FOR BREAD OR THE LIKE COMPRISING, A SUPPORTING SHELL STRUCTURE HAVING AN UPRIGHT SLOT EXTENDING DOWNWARDLY FROM THE UPPER OPEN END THEREOF BETWEEN OPPOSITE SIDES OF THE SHELL STRUCTURE FOR ACCOMMODATING THEREIN BREAD OR THE LIKE IN A GENERALLY UPRIGHT PLANE, A PAIR OF TUBULAR ELECTRICALLY ENERGIZABLE RADIANT INFRARED HEATERS DISPOSED, RESPECTIVELY, ON OPPOSITE SIDES OF SAID SLOT AND EXTENDED SUBSTANTIALLY THE FULL LENGTH OF SAID SHELL AND HORIZONTALLY ALONG THE LENGTH OF SAID SLOT SUBSTANTIALLY EQUIDISTANT THE TOP AND BOTTOM OF SAID SLOT, A PAIR OF REFLECTORS DISPOSED, RESPECTIVELY, ON OPPOSITE SIDES OF SAID SLOT, SAID REFLECTORS EACH BEING FORMED IN A MODIFIED HYPERBOLIC CONTINUOUS CURVED GENERATED ABOUT THE AXIS OF EACH SAID HEATER, THE SAID AXIS BEING SPACED TOWARD SAID SLOT FROM THE AXIS OF A CORRESPONDING TRUE HYPERBOLIC CURVE, HEAT ENERGY DIRECTLY FROM SAID HEATERS AND REFLECTED THEREFROM BY SAID REFLECTORS BEING DIRECTED TOWARD SAID SLOT TO TOAST OPPOSITE SIDES OF BREAD OR THE LIKE IN SAID SLOT, THE MODIFIED HYPERBOLIC CURVE OF SAID REFLECTORS PROVIDING THAT ENERGY REFLECTED THEREBY DIVERGES AWAY FROM A HORIZONTAL PLANE THROUGH THE SAID HEATERS TO TOAST BY SAID REFLECTED ENERGY REGIONS OF THE BREAD OR THE LIKE THAT ARE MORE REMOTE THAN THE REGIONS CLOSETS TO SAID HEATERS RECEIVING DIRECT HEAT ENERGY FROM

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-16 1971-04-17 1971-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-16 1975-04-17 1975-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-16 1979-04-17 1979-10-17 $7700.00 Window Closed / Lapsed

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