US4432018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosion proof cathode-ray tube
Assignee: Toshiba Corp
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Filing: 1982-05-17
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Granted: 1984-02-14
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Expires: 2002-05-17
Abstract
Abstract An explosion proof cathode-ray tube comprises an envelope having a faceplate, a funnel, and a neck; an adhesive tape which is wound around the side walls of the faceplate and which contains solid particles; and a metal tape which is wound around the adhesive tape.
Inventors
- 👤 Masaomi Futatsudera
- 👤 Syoichi Yokoyama
- 👤 Osamu Yasutome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:40
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/87
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
44 words
An explosion proof cathode-ray tube comprising: an envelope having a faceplate, a funnel, and a neck; an adhesive tape which is wound around side walls of said faceplate and which contains solid particles; and a metal tape which is wound around said adhesive tape.
Claim 2
Dependent Claim
44 words
An explosion proof cathode-ray tube comprising: an envelope having a faceplate, a funnel, and a neck; an adhesive tape which is wound around side walls of said faceplate and which contains solid particles; and a metal tape which is wound around said adhesive tape.
Claim 3
Dependent Claim
28 words
A tube according to claim 1, wherein said adhesive tape comprises a base tape and an adhesive layer formed on at least one surface of said base tape.
Claim 4
Dependent Claim
16 words
A tube according to claim 2, wherein said solid particles are mixed within said adhesive layer.
Claim 5
Dependent Claim
16 words
A tube according to claim 2, wherein said solid particles are mixed within said base tape.
Claim 6
Dependent Claim
27 words
A tube according to claim 1 or 2, wherein said solid particles have a particle size which is not greater than a thickness of said adhesive tape.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-02-13 | 1987-08-15 | 1988-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-13 | 1991-08-15 | 1992-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-13 | 1995-08-15 | 1996-02-14 | $7700.00 | Window Closed / Lapsed |