US4670314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colored jacket for floppy disk
Assignee: Fujifilm Holdings Corp
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Filing: 1985-09-03
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Granted: 1987-06-02
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Expires: 2005-09-03
Abstract
Abstract A colored jacket for a floppy disk is fabricated by folding or bonding a plastic sheet or sheets containing at least one color pigment, and 5 to 50 parts by weight of an inorganic pigment per 100 parts by weight of a resin. Or, the plastic sheet or sheets contain at least one color pigment, 5 to 40 parts by weight of an inorganic pigment and 0.005 to 0.5 parts by weight of carbon black per 100 parts by weight of a resin.
Inventors
- 👤 Masakazu Iwasa
- 👤 Kazuhiko Morita
- 👤 Sadao Nakatani
- 👤 Eiji Nakamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:55
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/03; G11B23/033; G11B23/0332; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1334; Y10T428/1341; Y10T428/1345; Y10T428/25; Y10T428/256
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
52 words
A colored jacket for a floppy disk fabricated by folding or bonding a plastic sheet or sheets in a bag form, wherein said plastic sheet or sheets contain at least one color pigment, and 5 to 50 parts by weight of an inorganic pigment per 100 parts by weight of a resin.
Claim 2
Dependent Claim
52 words
A colored jacket for a floppy disk fabricated by folding or bonding a plastic sheet or sheets in a bag form, wherein said plastic sheet or sheets contain at least one color pigment, and 5 to 50 parts by weight of an inorganic pigment per 100 parts by weight of a resin.
Claim 3
Dependent Claim
35 words
A colored jacket as defined in claim 1 wherein the blending ratio of said inorganic pigment is within the range of 10 to 40 parts by weight per 100 parts by weight of the resin.
Claim 4
Dependent Claim
15 words
A colored jacket as defined in claim 1 wherein said inorganic pigment is titanium oxide.
Claim 5
Dependent Claim
61 words
A colored jacket for a floppy disk fabricated by folding or bonding a plastic sheet or sheets in a bag form, wherein said plastic sheet or sheets contain at least one color pigment, 5 to 40 parts by weight of an inorganic pigment and 0.005 to 0.5 part by weight of carbon black per 100 parts by weight of a resin.
Claim 6
Dependent Claim
61 words
A colored jacket for a floppy disk fabricated by folding or bonding a plastic sheet or sheets in a bag form, wherein said plastic sheet or sheets contain at least one color pigment, 5 to 40 parts by weight of an inorganic pigment and 0.005 to 0.5 part by weight of carbon black per 100 parts by weight of a resin.
Claim 7
Dependent Claim
35 words
A colored jacket as defined in claim 4 wherein the blending ratio of said inorganic pigment is within the range of 5 to 30 parts by weight per 100 parts by weight of the resin.
Claim 8
Dependent Claim
15 words
A colored jacket as defined in claim 4 wherein said inorganic pigment is titanium oxide.
Claim 9
Dependent Claim
34 words
A colored jacket as defined in claim 4 wherein the blending ratio of carbon black is within the range of 0.005 to 0.1 part by weight per 100 parts by weight of the resin.
References Cited (Backward Citations)
US4578296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-06-01 | 1990-12-01 | 1991-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-01 | 1994-12-01 | 1995-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-01 | 1998-12-01 | 1999-06-02 | $7700.00 | Window Closed / Lapsed |