US4779729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic tape cassette
Assignee: Fujifilm Holdings Corp
•
Filing: 1987-02-26
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Granted: 1988-10-25
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Expires: 2007-02-26
Abstract
Abstract A tape cassette in which the cassette case consists of an inner layer and a transparent outer layer. An information pattern on a sheet or directly printed on the inner layer is disposed between the inner and outer layers.
Inventors
- 👤 Kazunori Aoyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:44
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/08707; G11B23/08785; G11B23/0875
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
75 words
A recording tape cassette, comprising: a cassette case for enclosing a recording tape during recording and reproduction operations, said cassette case comprising an upper half case and a lower half case, at least one of said half cases comprising an inner layer and a light transmitting outer layer; a visually observable information pattern disposed between said inner and outer layers; and at least one reel for winding said recording tape contained in said cassette case.
Claim 2
Dependent Claim
75 words
A recording tape cassette, comprising: a cassette case for enclosing a recording tape during recording and reproduction operations, said cassette case comprising an upper half case and a lower half case, at least one of said half cases comprising an inner layer and a light transmitting outer layer; a visually observable information pattern disposed between said inner and outer layers; and at least one reel for winding said recording tape contained in said cassette case.
Claim 3
Dependent Claim
16 words
A tape cassette as recited in claim 1, wherein said information pattern comprises an ink-printed sheet.
Claim 4
Dependent Claim
24 words
A tape cassette as recited in claim 1, wherein said information pattern comprises patterned ink formed on an outer surface of said first layer.
Claim 5
Dependent Claim
15 words
A tape cassette as recited in claim 1, wherein said half cases comprise molded plastic.
Claim 6
Dependent Claim
15 words
A tape cassette as recited in claim 2, wherein said half cases comprise molded plastic.
Claim 7
Dependent Claim
15 words
A tape cassette as recited in claim 3, wherein said half cases comprise molded plastic.
Claim 8
Dependent Claim
38 words
A tape cassette as recited in claim 1, wherein each of said half cases comprises respective ones of said inner layer and said outer layer and said inner and outer layers substantially enclose said at least one reel.
Claim 9
Dependent Claim
38 words
A tape cassette as recited in claim 5, wherein each of said half cases comprises respective ones of said inner layer and said outer layer and said inner and outer layers substantially enclose said at least one reel.
Claim 10
Dependent Claim
38 words
A tape cassette as recited in claim 6, wherein each of said half cases comprises respective ones of said inner layer and said outer layer and said inner and outer layers substantially enclose said at least one reel.
References Cited (Backward Citations)
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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) | 1991-10-25 | 1992-04-25 | 1992-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-25 | 1996-04-25 | 1996-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-25 | 2000-04-25 | 2000-10-25 | $7700.00 | Window Closed / Lapsed |