US3134923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural parallel electron-guns
Assignee: RCA Corp
•
Filing: 1960-08-22
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Granted: 1964-05-26
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Expires: 1980-08-22
Abstract
No abstract record available.
Inventors
- 👤 Martin K Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:59
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/04; H01J29/46; H01J29/48; H01J29/50; H01J29/506
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A BATTERY OF THREE ELECTRON-GUNS COMPRISING THREE GLASS SUPPORT RODS DISPOSED IN PARALLEL RELATIONSHIP ADJACENT TO THE CORNERS OF AN EQUILATERAL TRIANGLE, THREE PAIRS OF RIGID METAL STRAPS HAVING CORRESPONDING ENDS OF EACH PAIR EMBEDDED IN THE GLASS OF A RESPECTIVE ONE OF SAID SUPPORT RODS AND THE FREE-END OF EACH STRAP EXTENDING IN THE DIRECTION OF A STRAP OF ANOTHER PAIR, THREE FILAMENTARY HEATERS EACH HAVING TWO ENDS, EACH HEATER BEING SUPPORTED AT ONE OF ITS ENDS UPON THE STRAP OF ONE PAIR AND, AT ITS OTHER END, UPON AN ADJACENT STRAP OF ANOTHER PAIR, AND MEANS INCLUDING SAID STRAPS FOR CONNECTING SAID FILAMENTARY HEATERS IN ELECTRICALLY PARALLEL RELATIONSHIP.
Claim 2
Dependent Claim
110 words
A BATTERY OF THREE ELECTRON-GUNS COMPRISING THREE GLASS SUPPORT RODS DISPOSED IN PARALLEL RELATIONSHIP ADJACENT TO THE CORNERS OF AN EQUILATERAL TRIANGLE, THREE PAIRS OF RIGID METAL STRAPS HAVING CORRESPONDING ENDS OF EACH PAIR EMBEDDED IN THE GLASS OF A RESPECTIVE ONE OF SAID SUPPORT RODS AND THE FREE-END OF EACH STRAP EXTENDING IN THE DIRECTION OF A STRAP OF ANOTHER PAIR, THREE FILAMENTARY HEATERS EACH HAVING TWO ENDS, EACH HEATER BEING SUPPORTED AT ONE OF ITS ENDS UPON THE STRAP OF ONE PAIR AND, AT ITS OTHER END, UPON AN ADJACENT STRAP OF ANOTHER PAIR, AND MEANS INCLUDING SAID STRAPS FOR CONNECTING SAID FILAMENTARY HEATERS IN ELECTRICALLY PARALLEL RELATIONSHIP.
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |