Patent US2987892A successfully refreshed from Google Patents.
Patent US3437482A successfully refreshed from Google Patents.
US3437482A
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Accurate registration of phosphor strips in kinescopes by means of a transparent photograph of the post-deflection grid in combination with a positioning mask
Assignee: Sony Corp
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Filing: 1966-04-06
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Granted: 1969-04-08
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Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 Masami Yamada
- 👤 Michio Tamura
- 👤 Hiroshi Adachi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:01
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/187; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201; H01J9/00; H01J9/20; H01J9/22; H01J9/227; H01J9/2271
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |