US2606300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron discharge device
Assignee: Zenith Electronics LLC
•
Filing: 1950-01-19
•
Granted: 1952-08-05
•
Expires: 1970-01-19
Abstract
No abstract record available.
Inventors
- 👤 Adler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:43
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/12; H04N5/126; H01; H01J; H01J21/00; H01J21/02; H01J21/06; H01J21/10; H01J21/14; H04N3/00; H04N3/10; H04N3/16; H04N3/18; H04N5/08; H01J2893/00; H01J2893/0029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2139678A
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US2259099A
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US2268195A
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US2307693A
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US2390250A
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US2434713A
Cited
US2427888A
Cited
US2472779A
Cited
US2511143A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |