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US3603013A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric illumination devices

Assignee: Radiation Sunhouse Ltd
•
Filing: 1969-01-31
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Granted: 1971-09-07
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Expires: 1989-01-31
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Abstract

Abstract An electric illumination device which includes a translucent viewing screen, imitation fuel means, suspended flexible material disposed inwards of the viewing screen, a light source disposed inwards of the flexible material, and means for causing airflow for moving the flexible material to vary the lighting effect imparted by the device, said flexible material having upper portions which when the device is in operation are caused by the airflow to move in relation to light from the light source to cause a random flickering effect visible as a flame effect through the viewing screen, and said flexible material having lower portions which when the device is in operation are caused by the airflow to move in relation to light from the light source to cause a random flickering effect illuminating from within the device the imitation fuel means.

Inventors

  • 👤 Frederick Brydone Reed
  • 👤 Ernest Eugene Gardiner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 19:45
CPC Classifications
F; F24; F24C; F24C7/00; F24C7/002; F24C7/004; F21; F21S; F21S10/00; F21S10/04; F21W; F21W2131/00; F21W2131/40; F21W2131/406

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 206 words
An electric illumination device comprising a translucent viewing screen; imitation fuel means at the base of and below said viewing screen, said imitation fuel means having translucent portions; suspended strips of flexible material disposed inwards of the viewing screen and imitation fuel means; a light source disposed behind said screen inwards of the flexible material, whereby said flexible material is interposed between said light source, on the one hand, and said viewing screen and said imitation fuel means on the other hand; and means for causing airflow for moving the flexible material to vary the lighting effect imparted by the device; said flexible material having upper portions between said light source and said screen which when the device is in operation are caused by the airflow to move in relation to light from the light source to cause a random flickering effect visible, as a flame effect, through the viewing screen; and said flexible material having lower portions between said light source and said imitation fuel means which when the device is in operation are caused by the airflow to move in relation to light from the light source also to cause a random flickering effect illuminating, from behind, said translucent portions of imitation fuel means.
Claim 2
Dependent Claim 206 words
An electric illumination device comprising a translucent viewing screen; imitation fuel means at the base of and below said viewing screen, said imitation fuel means having translucent portions; suspended strips of flexible material disposed inwards of the viewing screen and imitation fuel means; a light source disposed behind said screen inwards of the flexible material, whereby said flexible material is interposed between said light source, on the one hand, and said viewing screen and said imitation fuel means on the other hand; and means for causing airflow for moving the flexible material to vary the lighting effect imparted by the device; said flexible material having upper portions between said light source and said screen which when the device is in operation are caused by the airflow to move in relation to light from the light source to cause a random flickering effect visible, as a flame effect, through the viewing screen; and said flexible material having lower portions between said light source and said imitation fuel means which when the device is in operation are caused by the airflow to move in relation to light from the light source also to cause a random flickering effect illuminating, from behind, said translucent portions of imitation fuel means.
Claim 3
Dependent Claim 21 words
An electric illumination device according to claim 1, wherein the edge of the flexible material in plan view is substantially rectilinear.
Claim 4
Dependent Claim 21 words
An electric illumination device according to claim 1, wherein the edge of the flexible material in plan view is substantially rectilinear.
Claim 5
Dependent Claim 29 words
An electric illumination device according to claim 1, wherein the edge of the flexible material in plan view and the edge of the viewing screen is circular in form.
Claim 6
Dependent Claim 105 words
An electric illumination device, according to claim 1, wherein a translucent inner screen is disposed intermediate the light source and the suspended flexible material and extends upwards for most of the height of the suspended flexible material and is illuminated by light from the light source, said translucent inner screen forming a backing panel spaced behind the upper portions of the suspended flexible material, substantially all the light reaching the viewing screen from the light source being diffused by said translucent inner screen, but substantially none of the light reaching the imitation fuel means from the light source being diffused by said translucent inner screen.
Claim 7
Dependent Claim 37 words
An electric illumination device according to claim 1, wherein there is disposed, beneath a top portion of the imitation fuel means, a reflector which increases the movement and intensity of light visible through said imitation fuel means.
Claim 8
Dependent Claim 104 words
An electric illumination device according to claim 1, wherein there is disposed, inwards of a lower portion of the imitation fuel means, an additional light source and a light baffle disposed above said additional light source, said additional light source subduing the movement of, and increasing the intensity of, the light effect visible through the said lower portion of the imitation fuel means, and said light baffle reducing the effect of the additional light source on the movement of the light visible through an upper portion of the imitation fuel means, said light baffle having an upper surface finished to act as a reflector.
Claim 9
Dependent Claim 37 words
An electric illumination device according to claim 1, wherein the edge of the flexible material in plan view is substantially rectilinear, and the line in plan edge of the viewing screen is basically of a U-shaped formation.
Claim 10
Dependent Claim 225 words
An electric illumination device comprising a translucent viewing screen; imitation fuel means at the base of and below said viewing screen, said imitation fuel means having translucent portions; suspended flexible strips disposed behind said screen inwards of the viewing screen and imitation fuel means; a light source disposed inwards of the flexible strips, whereby said flexible strips are interposed between said light source, on the one hand, and said viewing screen and said imitation fuel means on the other hand; a translucent sheet between said light source and the upper portions of said strips to transmit light passing through said screen and means for causing airflow for moving said flexible strips to vary the lighting effect imparted by the device; said flexible strips having upper portions between said light source and said screen which when the device is in operation are caused by the airflow to move in relation to light from the light source to cause a random flickering effect visible, as a flame effect, through the viewing screen; and said flexible strips having lower portions between said light source and said imitation fuel means which when the device is in operation are caused by the airflow to move in relation to light from the light source also to cause a random flickering effect illuminating, from behind, said translucent portions of imitation fuel means.
Claim 11
Dependent Claim 225 words
An electric illumination device comprising a translucent viewing screen; imitation fuel means at the base of and below said viewing screen, said imitation fuel means having translucent portions; suspended flexible strips disposed behind said screen inwards of the viewing screen and imitation fuel means; a light source disposed inwards of the flexible strips, whereby said flexible strips are interposed between said light source, on the one hand, and said viewing screen and said imitation fuel means on the other hand; a translucent sheet between said light source and the upper portions of said strips to transmit light passing through said screen and means for causing airflow for moving said flexible strips to vary the lighting effect imparted by the device; said flexible strips having upper portions between said light source and said screen which when the device is in operation are caused by the airflow to move in relation to light from the light source to cause a random flickering effect visible, as a flame effect, through the viewing screen; and said flexible strips having lower portions between said light source and said imitation fuel means which when the device is in operation are caused by the airflow to move in relation to light from the light source also to cause a random flickering effect illuminating, from behind, said translucent portions of imitation fuel means.

References Cited (Backward Citations)

GB978364A Cited
GB978365A Cited
GB1088577A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-06 1975-03-08 1975-09-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-06 1979-03-08 1979-09-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-06 1983-03-08 1983-09-07 $7700.00 Window Closed / Lapsed

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