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Patent US2832001A successfully refreshed from Google Patents.
US2832001A
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Electron discharge systems
Assignee: Zenith Electronics LLC
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Filing: 1954-08-27
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Granted: 1958-04-22
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Expires: 1974-08-27
Abstract
No abstract record available.
Inventors
- 👤 Adler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:40
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/78; H01J23/00; H01J23/02; H01J23/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2275480A
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US2294659A
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US2433044A
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US2391273A
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US2650956A
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US2616990A
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US2623167A
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US2600373A
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US2627049A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |