Patent US3920228A successfully refreshed from Google Patents.
US3920228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scraping and stirring device for a cooking utensil
Assignee: K KUPPERSBUSCH AND SOHNE
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Filing: 1973-02-23
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Granted: 1975-11-18
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Expires: 1993-02-23
Abstract
Abstract A scraping and stirring device for a cooking utensil comprises a driving member adapted to be centrally arranged in the bottom of the cooking utensil and carrying horizontal supporting arms at an upper part thereof, the supporting arms carrying carrying arms depending therefrom and carrying scraping and stirring vanes in engagement with the bottom of the utensil, each scraping and stirring vane working only a part of the bottom of the utensil.
Inventors
- 👤 Bernhard Klauk
- 👤 Wolfgang Schwan
- 👤 Gunter Schreiber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:39
CPC Classifications
A; A47; A47J; A47J27/00; A47J27/14; A47J43/00; A47J43/04; A47J43/07; A47J43/0716; A47J43/0722; B; B01; B01F; B01F27/00; B01F27/05; B01F27/09; B01F27/091; B01F27/80; B01F27/82
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
158 words
A scraping and stirring device for a cooking utensil comprising a driving member adapted to be arranged centrally in the bottom of said cooking utensil and extending into an upper region of said cooking utensil, horizontally extending supporting arms carried by said driving member at an upper part thereof and extending outwardly therefrom a distance which is at least half the radial extent of the device, carrying arms carried by and depending from said supporting arms and connected to said supporting arms towards outer ends of said supporting arms, scraping and stirring vanes carried by said carrying arms and having one edge in engagement with the bottom of said utensiL and adapted in use to work only a part of the bottom of said cooking utensil, and retaining strips having an overall L-shape with horizontal limbs adapted to run parallel with the bottom of said cooking utensil for retaining said scraping and stirring vanes on said carrying arms.
Claim 2
Dependent Claim
158 words
A scraping and stirring device for a cooking utensil comprising a driving member adapted to be arranged centrally in the bottom of said cooking utensil and extending into an upper region of said cooking utensil, horizontally extending supporting arms carried by said driving member at an upper part thereof and extending outwardly therefrom a distance which is at least half the radial extent of the device, carrying arms carried by and depending from said supporting arms and connected to said supporting arms towards outer ends of said supporting arms, scraping and stirring vanes carried by said carrying arms and having one edge in engagement with the bottom of said utensiL and adapted in use to work only a part of the bottom of said cooking utensil, and retaining strips having an overall L-shape with horizontal limbs adapted to run parallel with the bottom of said cooking utensil for retaining said scraping and stirring vanes on said carrying arms.
Claim 3
Dependent Claim
82 words
A device as defined in claim 1, wherein said horizontal limbs comprise a shorter limb arranged at right angles to said drive member and a longer limb arranged at right angles to said shorter limb, and wherein there is further provided means for connecting a said scraping and stirring vane to said L-shaped member with a narrow side of said vane adjacent to said shorter limb and a longitudinal side of said vane running parallel to the direction of said longer limb.
Claim 4
Dependent Claim
28 words
A device as defined in claim 2, wherein said connecting means comprise means for connecting said scraping and stirring vane to said longer limb of said retaining strip.
Claim 5
Dependent Claim
26 words
A device as defined in claim 3, wherein said scraping and stirring vane comprises a portion which engages over said longer limb of said retaining member.
Claim 6
Dependent Claim
46 words
A device as defined in claim 1, and comprising means for connecting said scraping and stirring vanes to said retaining strip with the scraping edges of said scraping and stirring vanes each located on a different diametral line of said drive member and said cooking utensil.
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) | 1978-11-17 | 1979-05-19 | 1979-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-17 | 1983-05-19 | 1983-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-17 | 1987-05-19 | 1987-11-18 | $7700.00 | Window Closed / Lapsed |