US3593653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric cooktop with a removable spillover device
Assignee: NI West Inc
•
Filing: 1970-05-01
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Granted: 1971-07-20
•
Expires: 1990-05-01
Abstract
Abstract An electric cooktop has a plurality of heating elements installed therein and may be lifted as a unit to provide access to reflectors and spillover bowls positioned unattachedly on a support surface below, thereby enabling ready removal of the bowls and reflectors for cleaning, without removing the heating elements.
Inventors
- 👤 Christian E Buerki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:13
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/14
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
184 words
In an electrical cooktop, the combination of: a. a box member; b. an electrical heating element comprising an open circular coil; c. a cover plate member pivotally attached to said box member, said plate member having an opening to receive said heating element; d. means for mounting said heating element in the opening of said cover plate member; e. said box member having a substantially flat bottom portion lying below said cover plate means and substantially parallel thereto; f. a spillover bowl; g. a bowl cover member having a drain hole therein and being adapted to provide drainage through the hole to said spillover bowl; h. means for removably locating said spillover bowl on said box member bottom portion directly below said heating element and for arresting the lateral motion thereof relative to said heating element; i. said bowl cover member being at least equal in size to the opening in said cover plate member and being supported on said bowl in nesting relationship therewith; and j. said bowl cover member comprising a radiation reflector for reflecting heat energy received from said heating element.
Claim 2
Dependent Claim
184 words
In an electrical cooktop, the combination of: a. a box member; b. an electrical heating element comprising an open circular coil; c. a cover plate member pivotally attached to said box member, said plate member having an opening to receive said heating element; d. means for mounting said heating element in the opening of said cover plate member; e. said box member having a substantially flat bottom portion lying below said cover plate means and substantially parallel thereto; f. a spillover bowl; g. a bowl cover member having a drain hole therein and being adapted to provide drainage through the hole to said spillover bowl; h. means for removably locating said spillover bowl on said box member bottom portion directly below said heating element and for arresting the lateral motion thereof relative to said heating element; i. said bowl cover member being at least equal in size to the opening in said cover plate member and being supported on said bowl in nesting relationship therewith; and j. said bowl cover member comprising a radiation reflector for reflecting heat energy received from said heating element.
Claim 3
Dependent Claim
52 words
The combination of claim 1 wherein said locating and arresting means comprises: an indentation formed in the bottom of said spillover bowl, and a mating protrusion extending upwardly from the surface of said box member bottom portion, the bowl being placed on said bottom portion with said protrusion fitting into said indentation.
Claim 4
Dependent Claim
30 words
The combustion of claim 1 wherein said bowl cover member has a downwardly extendiNg shoulder portion formed therein, said shoulder portion fitting matingly along the inner lip of said bowl.
Claim 5
Dependent Claim
14 words
The combination of claim 1 wherein said radiation reflector has a shiny upper surface.
References Cited (Backward Citations)
US1642071A
Cited
US1650634A
Cited
US2247626A
Cited
US2550843A
Cited
CH352812A
Cited
US3004132A
Cited
US3254491A
Cited
US3240147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |