US4751357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave oven with moving equipment, and an accessory for the oven
Assignee: Individual
•
Filing: 1986-09-25
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Granted: 1988-06-14
•
Expires: 2006-09-25
Abstract
Abstract A microwave oven includes an insulating enclosure subjected to microwave radiation, a moving sole plate, a device for vertically displacing the sole plate inside the enclosure, and a fastening device for attaching a work accessory to a wall of the enclosure opposite to the sole plate. A particular accessory usable with the oven is a mixer with two helicoidal blades mounted on either side of a vertical shaft.
Inventors
- 👤 Michel Boulard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:54
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/6408; H05B6/6411
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
75 words
A microwave oven comprising an insulating enclosure subjected to microwave radiation, a moving sole plate, means for vertically displacing the sole plate inside the enclosure, fastening means for attaching a mixing member to a wall of the enclosure opposite to the sole plate and means for imparting a relative horizontal movement between the mixing member and the sole plate whereby a product supported by the sole plate is stirred while being subjected to microwave radiation.
Claim 2
Dependent Claim
75 words
A microwave oven comprising an insulating enclosure subjected to microwave radiation, a moving sole plate, means for vertically displacing the sole plate inside the enclosure, fastening means for attaching a mixing member to a wall of the enclosure opposite to the sole plate and means for imparting a relative horizontal movement between the mixing member and the sole plate whereby a product supported by the sole plate is stirred while being subjected to microwave radiation.
Claim 3
Dependent Claim
45 words
A microwave oven according to claim 1, wherein the means for vertically displacing the sole plate comprise a support rod slidably mounted through an opening in the bottom wall of the enclosure, and means disposed outside the enclosure for displacing the support rod in translation.
Claim 4
Dependent Claim
105 words
A microwave oven comprising an insulating enclosure subjected to microwave radiation, a moving sole plate, means for vertically displacing the sole plate inside the enclosure, and fastening means for attaching a work accessory to a wall of the enclosure opposite to the sole plate; wherein the means for displacing the support rod in translation comprises a moving frame mounted to move in translation along an endless screw fixed to the enclosure, said frame being driven in translation by means of a nut mounted on the endless screw and constrained to move with the frame, said nut being rotated by a motor mounted on the frame.
Claim 5
Dependent Claim
105 words
A microwave oven comprising an insulating enclosure subjected to microwave radiation, a moving sole plate, means for vertically displacing the sole plate inside the enclosure, and fastening means for attaching a work accessory to a wall of the enclosure opposite to the sole plate; wherein the means for displacing the support rod in translation comprises a moving frame mounted to move in translation along an endless screw fixed to the enclosure, said frame being driven in translation by means of a nut mounted on the endless screw and constrained to move with the frame, said nut being rotated by a motor mounted on the frame.
Claim 6
Dependent Claim
18 words
A microwave oven according to claim 1, including means for rotating the means for attaching the work accessory.
Claim 7
Dependent Claim
18 words
A microwave oven according to claim 4, including locking tab fixed to the side walls of the enclosure.
Claim 8
Dependent Claim
14 words
A microwave oven according to claim 2, including means for rotating the support rod.
Claim 9
Dependent Claim
71 words
A microwave oven comprising an insulating enclosure subjected to microwave radiation, a moving sole plate, means for vertically displacing the sole plate inside the enclosure, and fastening means for attaching a work accessory to a wall of the enclosure opposite to the sole plate; means for rotating the means for attaching the work accessory; said accessory comprising a mixer including two helicoidal blades mounted on either side of the vertical shaft.
Claim 10
Dependent Claim
71 words
A microwave oven comprising an insulating enclosure subjected to microwave radiation, a moving sole plate, means for vertically displacing the sole plate inside the enclosure, and fastening means for attaching a work accessory to a wall of the enclosure opposite to the sole plate; means for rotating the means for attaching the work accessory; said accessory comprising a mixer including two helicoidal blades mounted on either side of the vertical shaft.
Claim 11
Dependent Claim
24 words
A microwave oven according to claim 7, including two vertical scrapers each pivotally-mounted at the end of a respective one of the mixer blades.
Claim 12
Dependent Claim
29 words
A microwave oven according to claim 8, wherein the scrapers include notches in their leading edges, with the positions of said notches alternating from one scraper to the other.
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) | 1991-06-14 | 1991-12-14 | 1992-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-14 | 1995-12-14 | 1996-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-14 | 1999-12-14 | 2000-06-14 | $7700.00 | Window Closed / Lapsed |