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
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)
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 |