US3586824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric heating appliance
Assignee: Individual
•
Filing: 1969-09-25
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Granted: 1971-06-22
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Expires: 1989-09-25
Abstract
Abstract An electric heating appliance in which a plate adapted to support a food bearing article is disposed over a heating element so as to move downwardly toward the element when the article is placed thereon, and moves upwardly away from the element when the article is removed. Switching means are provided whereby the heating element is energized upon downward movement of the plate and deenergized upon upward movement of the plate.
Inventors
- 👤 Edward A Barney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:12
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/68; H05B3/683
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
152 words
An electric heating appliance comprising: a plate constituting an upper surface of said appliance and adapted to support a food bearing article to be heated; a heating element underlying said plate; means for supporting said plate over said heating element for movement of said plate upwardly and downwardly with respect to said heating element; means for electrically energizing said heating element when said plate is in a downward position; a hoUsing having a top wall, said heating element being secured on said top wall; an aperture in said top wall beneath said plate; a member secured beneath said aperture and spaced from the plane of said top wall; said supporting means comprising a spring supported by said member; insulating means within said housing; and said electrically energizing means comprising normally open electrical contacts and a switch member movable vertically to close said contacts under actuation of an article placed on said plate.
Claim 2
Dependent Claim
152 words
An electric heating appliance comprising: a plate constituting an upper surface of said appliance and adapted to support a food bearing article to be heated; a heating element underlying said plate; means for supporting said plate over said heating element for movement of said plate upwardly and downwardly with respect to said heating element; means for electrically energizing said heating element when said plate is in a downward position; a hoUsing having a top wall, said heating element being secured on said top wall; an aperture in said top wall beneath said plate; a member secured beneath said aperture and spaced from the plane of said top wall; said supporting means comprising a spring supported by said member; insulating means within said housing; and said electrically energizing means comprising normally open electrical contacts and a switch member movable vertically to close said contacts under actuation of an article placed on said plate.
Claim 3
Dependent Claim
22 words
The invention according to claim 1 wherein said switch member is secured to the underside of said plate to move downwardly therewith.
Claim 4
Dependent Claim
27 words
The invention according to claim 1 wherein said spring is positioned centrally of said plate, and said heating element is a flat member disposed about said spring.
Claim 5
Dependent Claim
24 words
The invention according to claim 1 including a thermostatic control for said heating element to deenergize said element when heated to a preselected temperature.
Claim 6
Dependent Claim
50 words
The invention according to claim 1 including: a table top; an aperture in said table top for said plate; and said spring securing said plate in the aperture of said table top substantially on a plane with the top surface of said table top when said heating element is deenergized.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |