US3234632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing magnetic deflection yokes
Assignee: Hazeltine Research Inc
•
Filing: 1961-02-17
•
Granted: 1966-02-15
•
Expires: 1981-02-17
Abstract
No abstract record available.
Inventors
- 👤 Marley John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:52
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/72; H01J29/76; H01J29/768; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A METHOD OF MANUFACTURING A DEFLECTION YOKE FOR A CATHODE-RAY TUBE WHICH COMPRISES THE STEPS OF: FORMING A SERIES OF COILS WITH SUBSTANTIALLY RECTANGULARLY DISPOSED FLAT SIDES AND ENDS ON A FLEXIBLE DIELECTRIC SHEET HAVING SLITS IN THE EDGE OF THE SHEET BETWEEN SAID COILS IN THE VICINITY OF ONE OF SAID ENDS; POSITIONING, WITH A SUBSTANTIALLY RECTANGULAR PERIPHERY, SAID SHEET AROUND THE INNER WALLS OF A HOLLOW YOKE CORE WITH SAID COIL SIDES PARALLEL TO THE AXIS OF SAID CORE AND SAID SLITS EXTENDING FROM ONE END OF SAID CORE AND WITH ONE COIL PER LAYER ON EACH WALL; SECURING SAID SHEET IN CONTACT WITH SAID CORE; AND BENDING SAID SLITTED ENDS OUTWARDLY AROUND SAID ONE END OF SAID CORE.
Claim 2
Independent Claim
121 words
A METHOD OF MANUFACTURING A DEFLECTION YOKE FOR A CATHODE-RAY TUBE WHICH COMPRISES THE STEPS OF: FORMING A SERIES OF COILS WITH SUBSTANTIALLY RECTANGULARLY DISPOSED FLAT SIDES AND ENDS ON A FLEXIBLE DIELECTRIC SHEET HAVING SLITS IN THE EDGE OF THE SHEET BETWEEN SAID COILS IN THE VICINITY OF ONE OF SAID ENDS; POSITIONING, WITH A SUBSTANTIALLY RECTANGULAR PERIPHERY, SAID SHEET AROUND THE INNER WALLS OF A HOLLOW YOKE CORE WITH SAID COIL SIDES PARALLEL TO THE AXIS OF SAID CORE AND SAID SLITS EXTENDING FROM ONE END OF SAID CORE AND WITH ONE COIL PER LAYER ON EACH WALL; SECURING SAID SHEET IN CONTACT WITH SAID CORE; AND BENDING SAID SLITTED ENDS OUTWARDLY AROUND SAID ONE END OF SAID CORE.
References Cited (Backward Citations)
US2014524A
Cited
US2441960A
Cited
GB602492A
Cited
GB633625A
Cited
US2565331A
Cited
US2831136A
Cited
US2830212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |