US2897358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable horizontal sweep circuit
Assignee: Allen B du Mont Laboratories Inc
•
Filing: 1954-08-06
•
Granted: 1959-07-28
•
Expires: 1974-08-06
Abstract
No abstract record available.
Inventors
- 👤 Robert F Casey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:26
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2428926A
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US2715182A
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US2510027A
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US2559316A
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US2482737A
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US2657332A
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US2752528A
Cited
US2712616A
Cited
US2743382A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |