US3139566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction of magnetic deflection yokes and the like
Assignee: Hazeltine Research Inc
•
Filing: 1960-07-25
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Granted: 1964-06-30
•
Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Marley John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:44
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/72; H01J29/76; H01J29/768
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A CATHODE-RAY TUBE DEFLECTION YOKE COMPRISING: A HOLLOW YOKE CORE; AND A DIELECTRIC SHEET BEARING A CONDUCTOR PATTERN WHICH COMPRISES A SERIES OF LOOP-TYPE COILS POSITIONED SIDE-BY-SIDE AND ELECTRICALLY INTERCONNECTED, THIS DIELECTRIC SHEET BEING POSITIONED AROUND THE INNER
Claim 2
Dependent Claim
38 words
A CATHODE-RAY TUBE DEFLECTION YOKE COMPRISING: A HOLLOW YOKE CORE; AND A DIELECTRIC SHEET BEARING A CONDUCTOR PATTERN WHICH COMPRISES A SERIES OF LOOP-TYPE COILS POSITIONED SIDE-BY-SIDE AND ELECTRICALLY INTERCONNECTED, THIS DIELECTRIC SHEET BEING POSITIONED AROUND THE INNER
References Cited (Backward Citations)
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US2935691A
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |