US3332569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray tubes
Assignee: OI Glass Inc
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Filing: 1964-12-18
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Granted: 1967-07-25
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Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 Burton W Spear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:04
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/87
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN ESSENTIALLY ALL-GLASS CATHODE-RAY TUBE ENVELOPE RESISTANT TO BREAKAGE AND CAPABLE OF PREVENTING IMPLOSIONS UPON BREAKAGE COMPRISING A SUBSTANTIALLY FUNNEL-SHAPED HOLLOW BODY PORTION HAVING A VIEWING PORTION ENCLOSING ITS LARGER END AND A NECK TUBULATION PROJECTING FROM ITS SMALLER END, SAID VIEWING PORTION HAVING A SUBSTANTIALLY DOMESHAPED LIGHT-TRANSMITTING VIEWING PANEL, SAID PANEL BEING DOMED OUTWARDLY AWAY FROM SAID NECK TUBULATION, AND AN INTEGRAL PERIPHERAL SIDEWALL REGION THE OUTER PERIPHERY OF WHICH SUBSTANTIALLY DEFINED A CIRCLE, AND REINFORCING MEANS EXTERIORLY SURROUNDING THE PERIPHERAL SIDEWALL REGION OF SAID VIEWING PORTION INCLUDING AN ANNULAR REINFORCING BAND OF HIGH-TENSILE STRENGTH MATERIAL ENCIRCLING SAID PERIPHERAL SIDEWALL REGION, SAID REINFORCING BAND BEING COMPRISED OF ANNEALED STEEL TENSIONED BEYOND ITS YIELD POINT TO EXERT COMPRESSIVE FORCES AGAINST SAID PERIPHERAL SIDEWALL, SAID COMPRESSIVE FORCES BEING SUBSTANTIALLY EQUALLY DISTRIBUTED ABOUT SAID SIDEWALL.
Claim 2
Dependent Claim
133 words
AN ESSENTIALLY ALL-GLASS CATHODE-RAY TUBE ENVELOPE RESISTANT TO BREAKAGE AND CAPABLE OF PREVENTING IMPLOSIONS UPON BREAKAGE COMPRISING A SUBSTANTIALLY FUNNEL-SHAPED HOLLOW BODY PORTION HAVING A VIEWING PORTION ENCLOSING ITS LARGER END AND A NECK TUBULATION PROJECTING FROM ITS SMALLER END, SAID VIEWING PORTION HAVING A SUBSTANTIALLY DOMESHAPED LIGHT-TRANSMITTING VIEWING PANEL, SAID PANEL BEING DOMED OUTWARDLY AWAY FROM SAID NECK TUBULATION, AND AN INTEGRAL PERIPHERAL SIDEWALL REGION THE OUTER PERIPHERY OF WHICH SUBSTANTIALLY DEFINED A CIRCLE, AND REINFORCING MEANS EXTERIORLY SURROUNDING THE PERIPHERAL SIDEWALL REGION OF SAID VIEWING PORTION INCLUDING AN ANNULAR REINFORCING BAND OF HIGH-TENSILE STRENGTH MATERIAL ENCIRCLING SAID PERIPHERAL SIDEWALL REGION, SAID REINFORCING BAND BEING COMPRISED OF ANNEALED STEEL TENSIONED BEYOND ITS YIELD POINT TO EXERT COMPRESSIVE FORCES AGAINST SAID PERIPHERAL SIDEWALL, SAID COMPRESSIVE FORCES BEING SUBSTANTIALLY EQUALLY DISTRIBUTED ABOUT SAID SIDEWALL.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |