US3268753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural electron gun assembly and magnetic convergence cage
Assignee: RCA Corp
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Filing: 1965-10-23
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Granted: 1966-08-23
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Richard H Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:10
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/701
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
96 words
IN AN ASSEMBLY FOR GENERATING A PLURALITY OF SEPARATE ELECTRON BEAMS, MEANS INCLUDING THREE TUBULAR ELECTRODES DISPOSED IN DELTA ARRAY WITH THEIR AXES SUBSTANTIALLY PARALLEL AND MOUNTED ON A PLURALITY OF INSULATOR SUPPORT RODS, SAID THREE TUBULAR ELECTRODES BEING SUPPORTED FROM THREE STRAPS WHICH ARE DISPOSED IN A GENERALLY TRIANGULAR ARRAY WITH THEIR ENDS FIXED IN SAID INSULATOR SUPPORT RODS, EACH OF SAID TUBULAR ELECTRODES BEING DISPOSED GENERALLY OUTSIDE THE TRIANGULAR ARRAY OF SAID STRAPS AND ATTACHED TO A DIFFERENT ONE OF SAID STRAPS BETWEEN THE ENDS THEREOF, AT LEAST ONE OF SAID STRAPS BEING MAGNETIC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |