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US3151233A Expired / Lapsed US ⏱️ 0.0 years remaining

Heating attachment for electric light bulb

Assignee: —
•
Filing: —
•
Granted: 1964-09-29
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Expires: 1981-09-29
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 15:10
CPC Classifications
F; F21; F21V; F21V33/00; F21S; F21S6/00; F21S6/005

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 246 words
A HEATING DEVICE FOR USE IN ASSOCIATION WITH AN ELECTRIC LIGHT BULB, COMPRISING (A) A FIRST CUP FOR HOLDING A MATERIAL TO BE HEATED, (B) A SECOND CUP RIGIDLY CONNECTED TO SAID FIRST CUP AND HAVING A GENERALLY CIRCULAR CROSS-SECTION, (C) SAID CUPS BEING FORMED FROM A HEAT-CONDUCTIVE MATERIAL AND BEING RIGIDLY CONNECTED AT THEIR BASES, (D) THE SIDEWALLS OF SAID SECOND CUP HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED OPENINGS FORMED THEREIN AND BEING CURVED TO ABUT AN ELECTRIC LIGHT BULB OVER SUBSTANTIALLY THEIR ENTIRE EXTENT FOR SUPPORTING SAID SECOND CUP THEREON, (E) SAID SIDEWALLS HAVING AN ARCUATE RECESS FORMED IN THEIR LOWER EDGE BETWEEN A PAIR OF SAID OPENINGS WHEREBY SAID SECOND CUP IS MOUNTABLE ON SAID BULB TO MOUNT SAID DEVICE THEREON IN AN UPRIGHT ORIENTATION WHEN THE SAID BULB IS IN AN UPRIGHT ORIENTATION AND SAID RECESS IS RECEIVABLE OVER AN ARCUATE SEGMENT OF SAID BULB TO MOUNT SAID DEVICE THEREON IN AN UPRIGHT ORIENTATION WHEN SAID BULB IS IN A HORIZONTAL ORIENTATION, AND (F) A PLURALITY OF CURVED LEGS HAVING A RADIUS OF CURVATURE LESS THAN THAT OF SAID SIDEWALLS AND HAVING ONE OF THEIR ENDS RELEASABLY LOCKINGLY RECEIVED IN SAID OPENINGS FOR MOUNTING SAID LEGS ON SAID SIDEWALLS, SAID LEGS PROJECTING BEYOND SAID SIDEWALLS AT POINTS SPACED CIRCUMFERENTIALLY THEREAROUND FOR GRIPPING ENGAGEMENT WITH SAID BULB WHEN SAID DEVICE IS MOUNTED ON SAID BULB AND SUPPORTING SAID DEVICE IN AN UPRIGHT POSITION WHEN SAID DEVICE IS DISPOSED ON A PLANAR SUPPORTING SURFACE.
Claim 2
Dependent Claim 246 words
A HEATING DEVICE FOR USE IN ASSOCIATION WITH AN ELECTRIC LIGHT BULB, COMPRISING (A) A FIRST CUP FOR HOLDING A MATERIAL TO BE HEATED, (B) A SECOND CUP RIGIDLY CONNECTED TO SAID FIRST CUP AND HAVING A GENERALLY CIRCULAR CROSS-SECTION, (C) SAID CUPS BEING FORMED FROM A HEAT-CONDUCTIVE MATERIAL AND BEING RIGIDLY CONNECTED AT THEIR BASES, (D) THE SIDEWALLS OF SAID SECOND CUP HAVING A PLURALITY OF CIRCUMFERENTIALLY SPACED OPENINGS FORMED THEREIN AND BEING CURVED TO ABUT AN ELECTRIC LIGHT BULB OVER SUBSTANTIALLY THEIR ENTIRE EXTENT FOR SUPPORTING SAID SECOND CUP THEREON, (E) SAID SIDEWALLS HAVING AN ARCUATE RECESS FORMED IN THEIR LOWER EDGE BETWEEN A PAIR OF SAID OPENINGS WHEREBY SAID SECOND CUP IS MOUNTABLE ON SAID BULB TO MOUNT SAID DEVICE THEREON IN AN UPRIGHT ORIENTATION WHEN THE SAID BULB IS IN AN UPRIGHT ORIENTATION AND SAID RECESS IS RECEIVABLE OVER AN ARCUATE SEGMENT OF SAID BULB TO MOUNT SAID DEVICE THEREON IN AN UPRIGHT ORIENTATION WHEN SAID BULB IS IN A HORIZONTAL ORIENTATION, AND (F) A PLURALITY OF CURVED LEGS HAVING A RADIUS OF CURVATURE LESS THAN THAT OF SAID SIDEWALLS AND HAVING ONE OF THEIR ENDS RELEASABLY LOCKINGLY RECEIVED IN SAID OPENINGS FOR MOUNTING SAID LEGS ON SAID SIDEWALLS, SAID LEGS PROJECTING BEYOND SAID SIDEWALLS AT POINTS SPACED CIRCUMFERENTIALLY THEREAROUND FOR GRIPPING ENGAGEMENT WITH SAID BULB WHEN SAID DEVICE IS MOUNTED ON SAID BULB AND SUPPORTING SAID DEVICE IN AN UPRIGHT POSITION WHEN SAID DEVICE IS DISPOSED ON A PLANAR SUPPORTING SURFACE.

References Cited (Backward Citations)

GB671110A Cited
US2315697A Cited
US2207889A Cited
DE843888C Cited
US2761055A Cited
FR1088098A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-09-29 1968-03-30 1968-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-09-29 1972-03-30 1972-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-09-29 1976-03-30 1976-09-29 $7700.00 Window Closed / Lapsed

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