US4569098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc-cleaning device
Assignee: NAGAOKA TOKYO JAPAN A CORP OF JAPAN KK
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Filing: 1984-04-27
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Granted: 1986-02-11
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Expires: 2004-04-27
Abstract
Abstract A disc-cleaning device wherein a cleaner having a cleaning portion for wiping the surface of a disc provided on the under surface thereof and a knob on the top surface thereof is housed in a case made by securing a cover to a support for the disc so that said cover can be opened and closed. The cover has a recess on the inside thereof into which the knob is received. The support has a disc-supporting depression in which the disc fits, and a mat is laid in the disc-supporting depression to support the underside of the disc. Notches are made at either side of the disc-supporting depression in which the disc fits, and the edge of the disc fitted into the disc-supporting depression projects from both of the notches. A brush member is removably attached to the cover.
Inventors
- 👤 Hirokazu Kawabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:48
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/50; G11B23/505
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
80 words
A disc-cleaning device comprising a case made by securing a cover to a support for a disc so that said cover can be opened and closed, and a cleaner housed in said case, wherein said cover has a knob-receiving recess on the inside thereof, and said cleaner has a cleaning portion for wiping the surface of the disc provided on the under surface thereof and a knob fitting into said knob-receiving recess inside said cover on the top surface thereof.
Claim 2
Dependent Claim
80 words
A disc-cleaning device comprising a case made by securing a cover to a support for a disc so that said cover can be opened and closed, and a cleaner housed in said case, wherein said cover has a knob-receiving recess on the inside thereof, and said cleaner has a cleaning portion for wiping the surface of the disc provided on the under surface thereof and a knob fitting into said knob-receiving recess inside said cover on the top surface thereof.
Claim 3
Dependent Claim
35 words
The disc-cleaning device according to claim 1, wherein said support has a disc-supporting depression in which said disc fits, and a mat is laid in said disc-supporting depression to support the underside of said disc.
Claim 4
Dependent Claim
40 words
The disc-cleaning device according to claim 2, wherein notches are made at either side of said disc-supporting depression in which said disc fits, and the edge of said disc fitted into said disc-supporting depression projects from both of said notches.
Claim 5
Dependent Claim
17 words
The disc-cleaning device according to claim 2, wherein a brush member is removably attached to said cover.
Claim 6
Dependent Claim
17 words
The disc-cleaning device according to claim 1, wherein a brush member is removably attached to said cover.
Claim 7
Dependent Claim
31 words
The disc-cleaning device according to claim 5, wherein a brush-receiving recess is provided on the outer surface of said cover of said case, into which said brush member can fit removably.
Claim 8
Dependent Claim
66 words
The disc-cleaning device according to claim 6, wherein said brush-receiving recess has a side wall which is cut to form an opening extending into the interior of said cover, said brush member is composed of a handle with a brush attached to one side of said handle, and said brush is inserted into the interior of said cover so as to fit into said brush-receiving recess.
References Cited (Backward Citations)
US4023677A
Cited
US4520470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-02-10 | 1989-08-12 | 1990-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-02-10 | 1993-08-12 | 1994-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-02-10 | 1997-08-12 | 1998-02-11 | $7700.00 | Window Closed / Lapsed |