Patent US3290962A successfully refreshed from Google Patents.
Patent US3220592A successfully refreshed from Google Patents.
US3220592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray and other vacuumized tubes resistant to violent devacuation
Assignee: OI Glass Inc
•
Filing: 1962-03-19
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Granted: 1965-11-30
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Daryl E Powell
- 👤 Burton W Spear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:51
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/87; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49874; Y10T29/49885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A CATHODE-RAY TUBE ENVELOPE RESISTANT TO FRACTURE AND CAPABLE OF CONTROLLED DEACTUATION ON BREAKAGE COMPRISING A SUBSTANTIALLY FUNNEL-SHAPED HOLLOW BODY PORTION AND A LIGHT-TRANSMITTING VIEWING PORTION ENCLOSING ITS LARGER END, SAID VIEWING PORTION HAVING AN INTEGRAL PERIPHERAL SIDEWALL REGION OF SUBSTANTIALLY MAXIMUM CROSSSECTIONAL DIMENSIONS OF SAID ENVELOPE SEALED TO THE LARGER END OF SAID BODY PORTION, A MULTIPIECE UNTENSIONED REINFORCING BAND OF THIN-WALLED, HIGH-TENSILE STRENGTH METAL SURROUNDING THE PERIPHERAL SIDEWALL REGION AND COMPLEMENTALLY CONTOURED TO CONFORM SNUGLY THERETO, ADHESIVE MEANS BONDING SAID BAND DIRECTLY TO THE EXTERIOR PERIPHERAL SIDEWALL REGION OF SAID ENVELOPE, SAID REINFORCING BAND AND INTERMEDIATE ADHESIVE MEANS HAVING SUFFICIENT YIELD STRENGTH TO PREVENT FRACTURE PROPAGATION THROUGH THE ENVELOPE SIDEWALL REGION THEREBENEATH UPON BREAKAGE OF SAID ENVELOPE.
Claim 2
Dependent Claim
119 words
A CATHODE-RAY TUBE ENVELOPE RESISTANT TO FRACTURE AND CAPABLE OF CONTROLLED DEACTUATION ON BREAKAGE COMPRISING A SUBSTANTIALLY FUNNEL-SHAPED HOLLOW BODY PORTION AND A LIGHT-TRANSMITTING VIEWING PORTION ENCLOSING ITS LARGER END, SAID VIEWING PORTION HAVING AN INTEGRAL PERIPHERAL SIDEWALL REGION OF SUBSTANTIALLY MAXIMUM CROSSSECTIONAL DIMENSIONS OF SAID ENVELOPE SEALED TO THE LARGER END OF SAID BODY PORTION, A MULTIPIECE UNTENSIONED REINFORCING BAND OF THIN-WALLED, HIGH-TENSILE STRENGTH METAL SURROUNDING THE PERIPHERAL SIDEWALL REGION AND COMPLEMENTALLY CONTOURED TO CONFORM SNUGLY THERETO, ADHESIVE MEANS BONDING SAID BAND DIRECTLY TO THE EXTERIOR PERIPHERAL SIDEWALL REGION OF SAID ENVELOPE, SAID REINFORCING BAND AND INTERMEDIATE ADHESIVE MEANS HAVING SUFFICIENT YIELD STRENGTH TO PREVENT FRACTURE PROPAGATION THROUGH THE ENVELOPE SIDEWALL REGION THEREBENEATH UPON BREAKAGE OF SAID ENVELOPE.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |