US4417506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Home cooking appliance
Assignee: WOLENS JOHN 200 WEST MAIDSON - SUITE 3500 CHICAGO ILLINOIS 60606 ALL HAVE SAME PLACE OF BUSINESS
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Filing: 1981-09-23
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Granted: 1983-11-29
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Expires: 2001-09-23
Abstract
Abstract A home cooking appliance is disclosed having an elongated stir member removably disposed adjacent the bottom of the cooking vessel for automatically mixing and stirring foods being cooked in the appliance.
Inventors
- 👤 Walter B. Herbst
- 👤 John Wolens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:03
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/16; A47J36/165
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
104 words
A home cooking appliance comprising: a vessel for containing food to be cooked and having a bottom wall and an upstanding side wall; means for heating said vessel to raise food within said vessel to cooking temperatures; an elongated stir member removably disposed within said vessel adjacent said bottom wall; drive means for rotating said stir member in a plane parallel and adjacent to said bottom wall; and a stand to removably receive and support said vessel, said stand also housing said drive means and being configured to align said vessel and said drive means when said vessel is properly positioned within said stand.
Claim 2
Dependent Claim
104 words
A home cooking appliance comprising: a vessel for containing food to be cooked and having a bottom wall and an upstanding side wall; means for heating said vessel to raise food within said vessel to cooking temperatures; an elongated stir member removably disposed within said vessel adjacent said bottom wall; drive means for rotating said stir member in a plane parallel and adjacent to said bottom wall; and a stand to removably receive and support said vessel, said stand also housing said drive means and being configured to align said vessel and said drive means when said vessel is properly positioned within said stand.
Claim 3
Dependent Claim
38 words
The home cooking appliance of claim 1 wherein said drive means includes means for reversing the direction of rotation of said stir member whenever said stir member encounters an obstruction on the cooking surface of said bottom wall.
Claim 4
Dependent Claim
33 words
The home cooking appliance of claim 1 wherein said stir member includes opposed faces configured to turn the food encountered by said stir member as it traverses the bottom wall of said vessel.
Claim 5
Dependent Claim
27 words
The home cooking appliance of claim 3 wherein the faces of said stir member have curved surfaces and diverge outwardly at the base of said stir member.
Claim 6
Dependent Claim
63 words
The home cooking appliance of claim 1 wherein a rotatable bearing is mounted in sealed relation in said bottom wall and includes upper and lower recesses; said drive means comprises a motor disposed below said vessel and having an output shaft removably matable with said bearing lower recess; and said stir member includes a depending stem removably matable with said bearing upper recess.
Claim 7
Dependent Claim
28 words
The home cooking appliance of claim 5 wherein the depending stem of said stir member includes means for retaining said stem in mated relationship with said upper recess.
Claim 8
Dependent Claim
172 words
A home cooking appliance comprising: a circular vessel for containing food to be cooked and having a bottom wall and an annular upstanding side wall; electrically energized means for heating said vessel to raise food within said vessel to cooking temperatures; an elongated stir member extending across a portion of the bottom wall of said vessel and removably disposed adjacent the bottom wall of said vessel; drive means for rotating said stir member about its center in a plane parallel and adjacent to said bottom wall whereby said stir member traverses substantially the entire cooking surface of said bottom wall; said drive means being positioned external to and below said vessel and being operatively and removably connected to said stir member by a bearing mounted in sealed relation in the bottom wall of said vessel; and a stand to removably receive and support said vessel, said stand also housing said drive means and being configured to align said vessel and said drive means when said vessel is properly positioned within said stand.
Claim 9
Dependent Claim
172 words
A home cooking appliance comprising: a circular vessel for containing food to be cooked and having a bottom wall and an annular upstanding side wall; electrically energized means for heating said vessel to raise food within said vessel to cooking temperatures; an elongated stir member extending across a portion of the bottom wall of said vessel and removably disposed adjacent the bottom wall of said vessel; drive means for rotating said stir member about its center in a plane parallel and adjacent to said bottom wall whereby said stir member traverses substantially the entire cooking surface of said bottom wall; said drive means being positioned external to and below said vessel and being operatively and removably connected to said stir member by a bearing mounted in sealed relation in the bottom wall of said vessel; and a stand to removably receive and support said vessel, said stand also housing said drive means and being configured to align said vessel and said drive means when said vessel is properly positioned within said stand.
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) | 1986-11-28 | 1987-05-30 | 1987-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-28 | 1991-05-30 | 1991-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-28 | 1995-05-30 | 1995-11-29 | $7700.00 | Window Closed / Lapsed |