Patent US4224110A successfully refreshed from Google Patents.
US4224110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device
Assignee: Dover Technology International Inc
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Filing: 1977-12-05
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Granted: 1980-09-23
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Expires: 1997-12-05
Abstract
Abstract A cleaning device including a housing having an open top and a closed bottom with a chamber mounted therein, the chamber having an open top and an open bottom. The housing is disposed to receive a liquid solution therein, the liquid solution containing at least two immiscible components of different densities, the chamber portion of the housing containing only one of the components therein.
Inventors
- 👤 James W. McCord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:34
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/04; Y; Y10; Y10S; Y10S203/00; Y10S203/17
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
93 words
A cleaning device consisting essentially of: a housing having an open top and a closed bottom for receiving a liquid solution containing at least two components therein, the first component being immiscible with and denser than a second component; a chamber having an open top and an opening in the bottom stationarily mounted within the housing with sides of the chamber terminating at the upper extremity above the second component and the lower extremity below the liquid level of the first component; and, means for cleaning or finishing objects mounted within said housing.
Claim 2
Dependent Claim
93 words
A cleaning device consisting essentially of: a housing having an open top and a closed bottom for receiving a liquid solution containing at least two components therein, the first component being immiscible with and denser than a second component; a chamber having an open top and an opening in the bottom stationarily mounted within the housing with sides of the chamber terminating at the upper extremity above the second component and the lower extremity below the liquid level of the first component; and, means for cleaning or finishing objects mounted within said housing.
Claim 3
Dependent Claim
13 words
The cleaning device of claim 1 wherein said first component is a solvent.
Claim 4
Dependent Claim
16 words
The cleaning device of claim 1 wherein only the first component is disposed within the chamber.
Claim 5
Dependent Claim
19 words
The cleaning device of claim 1 wherein only the first component is disposed between the chamber and the housing.
Claim 6
Dependent Claim
12 words
The cleaning device of claim 1 including heat transfer means mounted therein.
Claim 7
Dependent Claim
12 words
The cleaning device of claim 1 including ultrasonic vibrating means mounted therein.
Claim 8
Dependent Claim
15 words
The cleaning device of claim 1 including filtration means in fluid communication with said housing.
Claim 9
Dependent Claim
34 words
The cleaning device of claim 7 wherein said filtration means includes a re-circulating system in fluid communication with the bottom of said housing, said fluid re-circulating system including filter means and pump means therein.
Claim 10
Dependent Claim
129 words
The cleaning device of claim 1 including a purification means for said first component, said purification means including a container with two sub-chambers therein, said sub-chambers being separated by a wall of preselected height, said container being connected to said housing by a conduit means, said conduit means being in flow communication with one of said sub-chambers and the first solvent layer of said housing, said one of said sub-chambers having heat emitting means disposed therein and said other of said sub-chambers having condensing means therein, said condensing means being disposed at a preselected position above said wall of preselected height, said other of said sub-chambers incuding an opening therein in communication with a second conduit, said second conduit being in flow communication with an opening in said housing.
Claim 11
Dependent Claim
21 words
The cleaning device of claim 1 wherein said chamber includes at least two sides attached to opposed ends of said housing.
Claim 12
Dependent Claim
24 words
The cleaning device of claim 1 wherein said chamber includes two opposed ends attached to and connecting at least two sides of said chamber.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-09-23 | 1984-03-24 | 1984-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-23 | 1988-03-24 | 1988-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-23 | 1992-03-24 | 1992-09-23 | $7700.00 | Window Closed / Lapsed |