US3456311A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for adjusting interelectrode spacing in a cathode-ray tube
Assignee: US Philips Corp
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Filing: 1966-11-14
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Granted: 1969-07-22
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Gerardus Servaa Schrijnemakers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:39
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; H01J29/00; H01J29/46; H01J29/48; H01J29/485; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2321413A
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US2986799A
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US3045320A
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US3261082A
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US3284878A
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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) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |