Patent US3109953A successfully refreshed from Google Patents.
US3109953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube having a plurality of interchangeable cathodes
Assignee: General Electric Co
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Filing: 1960-09-28
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Granted: 1963-11-05
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Expires: 1980-09-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Burnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:51
CPC Classifications
H; H01; H01J; H01J3/00; H01J3/02; H01J3/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A CATHODE RAY TUBE COMPRISING AN ANODE AND A CONTROL ELECTRODE POSITIONED IN ALIGNED RELATIONSHIP, A TURRET STRUCTURE FOR SUPPORTING A PLURALITY OF SPACED CATHODES ARRANGED IN A RING SUCH THAT SUCCESSIVE CATHODES ARE MOVABLE TO ALIGNED RELATIONSHIP WITH SAID ANODE AND SAID CONTROL ELECTRODE, A TURRET RETAINING BODY MEMBER FOR ROTATABLY SUPPORTING SAID TURRET, A VACUUM SEAL MEANS SET BETWEEN SAID BODY MEMBER AND SAID TURRET FOR VACUUM ENCLOSING SAID ANODE, CATHODES AND CONTROL ELECTRODE AND PROVIDING A SLIDABLE BEARING FOR ROTATION OF SAID TURRET, AND MEANS TO ROTATE SAID TURRET SO AS TO SUCCESSIVELY POSI-
Claim 2
Dependent Claim
97 words
A CATHODE RAY TUBE COMPRISING AN ANODE AND A CONTROL ELECTRODE POSITIONED IN ALIGNED RELATIONSHIP, A TURRET STRUCTURE FOR SUPPORTING A PLURALITY OF SPACED CATHODES ARRANGED IN A RING SUCH THAT SUCCESSIVE CATHODES ARE MOVABLE TO ALIGNED RELATIONSHIP WITH SAID ANODE AND SAID CONTROL ELECTRODE, A TURRET RETAINING BODY MEMBER FOR ROTATABLY SUPPORTING SAID TURRET, A VACUUM SEAL MEANS SET BETWEEN SAID BODY MEMBER AND SAID TURRET FOR VACUUM ENCLOSING SAID ANODE, CATHODES AND CONTROL ELECTRODE AND PROVIDING A SLIDABLE BEARING FOR ROTATION OF SAID TURRET, AND MEANS TO ROTATE SAID TURRET SO AS TO SUCCESSIVELY POSI-
References Cited (Backward Citations)
US2324899A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |