Patent US2887596A successfully refreshed from Google Patents.
US2887596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television camera tube
Assignee: US Philips Corp
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Filing: 1956-05-10
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Granted: 1959-05-19
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Expires: 1976-05-10
Abstract
No abstract record available.
Inventors
- 👤 Tijs Willem Van Rijssel
- 👤 Boers Martinus Will Augustinus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:55
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A TELEVISION CAMERA TUBE CONTAINING CESIUM, A TARGET PLATE COMPRISING A CONDUCTIVE GLASS MEMBER CONTAINING AN ALKALI METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AN LITHIUM, MEANS FOR SUPPORTING THE GLASS MEMBER ALONG ITS EDGE WITHIN THE TUBE, A THIN CONDUCTIVE COATING ON THE REAR OF SAID GLASS MEMBER AND ADHERING TIGHTLY THERETO, SAID CONDUCTIVE COATING CONTAINING A MATERIAL CAPABLE OF COMBINING WITH SAID ALKALI METAL AND ALSO WITH CESIUM, COVERING MEANS FOR SAID CONDUCTIVE COATING TO PREVENT IT FROM COMBINING WITH CESIUM, AND MEAND PROVIDING AN ELECTRICAL CONNECTION TO THE CONDUCTIVE COATING.
Claim 2
Dependent Claim
95 words
IN A TELEVISION CAMERA TUBE CONTAINING CESIUM, A TARGET PLATE COMPRISING A CONDUCTIVE GLASS MEMBER CONTAINING AN ALKALI METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM AN LITHIUM, MEANS FOR SUPPORTING THE GLASS MEMBER ALONG ITS EDGE WITHIN THE TUBE, A THIN CONDUCTIVE COATING ON THE REAR OF SAID GLASS MEMBER AND ADHERING TIGHTLY THERETO, SAID CONDUCTIVE COATING CONTAINING A MATERIAL CAPABLE OF COMBINING WITH SAID ALKALI METAL AND ALSO WITH CESIUM, COVERING MEANS FOR SAID CONDUCTIVE COATING TO PREVENT IT FROM COMBINING WITH CESIUM, AND MEAND PROVIDING AN ELECTRICAL CONNECTION TO THE CONDUCTIVE COATING.
References Cited (Backward Citations)
CA510784A
Cited
US2777970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |