US2454345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray deflection tube with electron lenses
Assignee: Individual
•
Filing: 1945-05-25
•
Granted: 1948-11-23
•
Expires: 1965-05-25
Abstract
No abstract record available.
Inventors
- 👤 Rudenberg Reinhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:49
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1810018A
Cited
US1910560A
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US2159712A
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US2076662A
Cited
US2168760A
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US2163546A
Cited
US2372443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |