US2882398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam switching system for multiplexing
Assignee: Zenith Electronics LLC
•
Filing: 1954-06-29
•
Granted: 1959-04-14
•
Expires: 1974-06-29
Abstract
No abstract record available.
Inventors
- 👤 Adler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:26
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16; H04N7/167; H01; H01J; H01J21/00; H01J21/20; H01J31/00; H01J31/02; H01J31/04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/045; H01J2893/00; H01J2893/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2357922A
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US2412467A
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US2438928A
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US2489329A
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US2606300A
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US2615142A
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US2741721A
Cited
US2781468A
Cited
US2758210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |