US2921230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Horizontal deflection system for cathode ray tubes
Assignee: Lanteris Space LLC
•
Filing: 1957-01-02
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Granted: 1960-01-12
•
Expires: 1977-01-02
Abstract
No abstract record available.
Inventors
- 👤 Hopengarten Abram
- 👤 Paul G Wolfe
- 👤 Robert C Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:51
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/26; H03K4/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2693549A
Cited
US2784344A
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US2743381A
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US2792523A
Cited
US2825849A
Cited
US2814759A
Cited
US2825850A
Cited
US2834913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |