Patent US2950406A successfully refreshed from Google Patents.
US2950406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision cathode-ray tube assembly
Assignee: Lanteris Space LLC
•
Filing: 1954-05-10
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Granted: 1960-08-23
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Expires: 1974-05-10
Abstract
No abstract record available.
Inventors
- 👤 Guy F Barnett
- 👤 Gordon R Spencer
- 👤 Walter F Baghurst
- 👤 George W Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:50
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/48; H01J29/50; H01J19/00; H01J19/42; H01J19/50; H01J2229/00; H01J2229/48; H01J2229/50; H01J2229/507
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2581487A
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US2582454A
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US2641727A
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US2633547A
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US2728025A
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US2742531A
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US2679614A
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US2712087A
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US2784334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |