US2702874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deflection system
Assignee: Zenith Electronics LLC
•
Filing: 1950-12-13
•
Granted: 1955-02-22
•
Expires: 1970-12-13
Abstract
No abstract record available.
Inventors
- 👤 Adler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:23
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/90; H01; H01F; H01F21/00; H01F21/02; H01F21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2513160A
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US2440418A
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US2503155A
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US2553360A
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US2555829A
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US2543719A
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US2566510A
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US2612541A
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US2596226A
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US2594567A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-21 | 1958-08-23 | 1959-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-21 | 1962-08-23 | 1963-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-21 | 1966-08-23 | 1967-02-22 | $7700.00 | Window Closed / Lapsed |