US2917646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflecting coil system for cathode ray tubes
Assignee: US Philips Corp
•
Filing: 1956-12-12
•
Granted: 1959-12-15
•
Expires: 1976-12-12
Abstract
No abstract record available.
Inventors
- 👤 Janssen Peter Johanne Hubertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:31
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/72; H01J29/76; H01J29/766
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB516743A
Cited
US2383308A
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US2414925A
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US2443032A
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US2569343A
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US2771563A
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US2645735A
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US2684455A
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US2831997A
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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) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |