Patent US2601452A successfully refreshed from Google Patents.
US2601452A
Expired / Lapsed
US
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Cathode-ray storage tube
Assignee: RCA Corp
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Filing: 1946-09-27
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Granted: 1952-06-24
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Expires: 1966-09-27
Abstract
No abstract record available.
Inventors
- 👤 Pensak Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:34
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/2806; H01J31/00; H01J31/08; H01J31/58; H01J31/60; H01J31/62
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A CATHODE RAY TUBE COMPRISING, ELECTRON GUN MEANS FOR PRODUCING A MODULATED BEAM OF ELECTRONS HAVING A VELOCITY ABOVE A PREDETERMINED VALUE, A SECOND ELECTRON GUN MEANS FOR PRODUCING A BEAM OF ELECTRONS HAVING VELOCITIES BELOW SAID VALUE, A TARGET ELECTRODE POSITIONED IN THE PATHS OF SAID ELECTRON BEAMS, SAID TARGET ELECTRODE INCLUDING A CONDUCTING LAYER, A LAYER OF INSULATION ON THE SURFACE OF SAID CONDUCTING
References Cited (Backward Citations)
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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) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |