Patent US2701847A successfully refreshed from Google Patents.
US2701847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television tube structure
Assignee: Machlett Laboratories Inc
•
Filing: 1951-10-02
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Granted: 1955-02-08
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Expires: 1971-10-02
Abstract
No abstract record available.
Inventors
- 👤 Samuel T Yanagisawa
- 👤 Henry F Miserocchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:16
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/80; H01J29/803
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1065685A
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US1858656A
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US2529485A
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US2599352A
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US2542262A
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US2518200A
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US2635201A
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US2579705A
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US2571991A
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US2611100A
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US2614231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |