US3565367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape cartridges
Assignee: Panasonic Holdings Corp
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Filing: 1968-12-20
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Granted: 1971-02-23
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Expires: 1988-12-20
Abstract
Abstract A tape cartridge wherein a portion of a cartridge casing is made transparent and sheets each having a printed surface on one side thereof are disposed in the casing on both sides of a tape accommodated in said casing with the printed surface thereof facing the transparent portion of the casing, whereby the tape is prevented from contacting the inner surface of the casing and therefore forwarded smoothly, and at the same time the label of the cartridge is indicated through the transparent portion of the cartridge casing.
Inventors
- 👤 Kozo Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:39
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; G11B23/08707; G11B23/08757; G11B23/08764; G11B23/0875; H; H04; H04N; H04N1/00; H04N1/024; H04N1/032; Y; Y10; Y10S; Y10S242/00; Y10S242/914
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
109 words
A tape cartridge comprising a hollow casing of transparent material, said casing comprising an upper case member and a lower case member, at least one tape winding element provided in the hollow defined by said casing, and sheets of flexible material having a low coefficient of sliding friction relative to a tape loosely disposed on each interior surface of said members, each of said sheets having a printed surface on one side thereof, said printed surface being printed with an electrically conductive ink and facing towards one of the interior surfaces of said members, and said sheets being in contact with said interior surfaces at the opposite edges thereof.
Claim 2
Dependent Claim
109 words
A tape cartridge comprising a hollow casing of transparent material, said casing comprising an upper case member and a lower case member, at least one tape winding element provided in the hollow defined by said casing, and sheets of flexible material having a low coefficient of sliding friction relative to a tape loosely disposed on each interior surface of said members, each of said sheets having a printed surface on one side thereof, said printed surface being printed with an electrically conductive ink and facing towards one of the interior surfaces of said members, and said sheets being in contact with said interior surfaces at the opposite edges thereof.
Claim 3
Dependent Claim
31 words
The cartridge according to claim 1, wherein opposite portions of said case member have partially frosted surfaces whereby writing can be effected on each said frosted surface exteriorly of said members.
References Cited (Backward Citations)
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US2988295A
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US3027110A
Cited
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Cited
US3258215A
Cited
US3350025A
Cited
US3467340A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |