US3453471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum tube responsive to an electrical image received through an endwall of said tube provided with a plurality of electrical conductors
Assignee: Individual
•
Filing: 1964-10-09
•
Granted: 1969-07-01
•
Expires: 1984-10-09
Abstract
No abstract record available.
Inventors
- 👤 Edward Emanuel Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:29
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J31/508
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A DEVICE COMPRISING IN COMBINATION SEPARATE MEANS FOR PRODUCING AN ELECTRICAL IMAGE FORMED BY A PLURALITY OF DIFFERENT FROM EACH OTHER ELECTRICAL CURRENTS, AND A SEPARATE VACUUME TUBE HAVING AN ENDWALL FOR RECEIVING SAID ELECTRICAL CURRENTS IMAGE, SAID ENDWALL COMPRISING AN ARRAY OF ELECTRICALLY CONDUCTING MEANS EXTENDING SUBSTANTIALLY THROUGH THE THICKNESS OF SAID ENDWALL, SAID CONDUCTING MEANS COMPRISING A PLURALITY OF HOLLOW ELECTRICAL CONDUCTORS FILLED WITH AN ELECTRICALLY CONDUCTING MATERIAL AND HAVING ONE END THEREOF OUTSIDE OF SAID TUBE AND ANOTHER END THEREOF WITHIN SAID TUBE, SAID CONDUCTORS BEING MOUNTED AT EACH OF SAID ENDS IN A FIXED SPATIAL RELATIONSHIP TO EACH OTHER, SAID CONDUCTING MEANS FURTHERMORE RECEIVING AND TRANSPORTING SAID ELECTRICAL CURRENTS FROM THE OUTSIDE OF SAID TUBE, AND ELECTRICAL CURRENTS EXITING FROM SAID CONDUCTORS AS FREE ELECTRONS INTO THE VACUUM SPACE OF SAID TUBE, MEANS FOR ACCELERATING SAID EXITED ELECTRONS, AND INTRODUCING SAID CURRENTS WITHIN SAID TUBE, SAID VACUUM TUBE COMPRISING IN ADDITION MEANS FOR UTILIZING SAID EXITED ELECTRONS IN SAID DEVICE FURTHERMORE SAID ELECTRICAL IMAGE PRODUCING MEANS BEING MOUNTED OUTSIDE OF SAID VACUUM TUBE.
Claim 2
Independent Claim
177 words
A DEVICE COMPRISING IN COMBINATION SEPARATE MEANS FOR PRODUCING AN ELECTRICAL IMAGE FORMED BY A PLURALITY OF DIFFERENT FROM EACH OTHER ELECTRICAL CURRENTS, AND A SEPARATE VACUUME TUBE HAVING AN ENDWALL FOR RECEIVING SAID ELECTRICAL CURRENTS IMAGE, SAID ENDWALL COMPRISING AN ARRAY OF ELECTRICALLY CONDUCTING MEANS EXTENDING SUBSTANTIALLY THROUGH THE THICKNESS OF SAID ENDWALL, SAID CONDUCTING MEANS COMPRISING A PLURALITY OF HOLLOW ELECTRICAL CONDUCTORS FILLED WITH AN ELECTRICALLY CONDUCTING MATERIAL AND HAVING ONE END THEREOF OUTSIDE OF SAID TUBE AND ANOTHER END THEREOF WITHIN SAID TUBE, SAID CONDUCTORS BEING MOUNTED AT EACH OF SAID ENDS IN A FIXED SPATIAL RELATIONSHIP TO EACH OTHER, SAID CONDUCTING MEANS FURTHERMORE RECEIVING AND TRANSPORTING SAID ELECTRICAL CURRENTS FROM THE OUTSIDE OF SAID TUBE, AND ELECTRICAL CURRENTS EXITING FROM SAID CONDUCTORS AS FREE ELECTRONS INTO THE VACUUM SPACE OF SAID TUBE, MEANS FOR ACCELERATING SAID EXITED ELECTRONS, AND INTRODUCING SAID CURRENTS WITHIN SAID TUBE, SAID VACUUM TUBE COMPRISING IN ADDITION MEANS FOR UTILIZING SAID EXITED ELECTRONS IN SAID DEVICE FURTHERMORE SAID ELECTRICAL IMAGE PRODUCING MEANS BEING MOUNTED OUTSIDE OF SAID VACUUM TUBE.
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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) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |