Patent US2774911A successfully refreshed from Google Patents.
US2774911A
Expired / Lapsed
US
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Circuit arrangement for the generation of saw-tooth shaped deflecting currents
Assignee: International Standard Electric Corp
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Filing: 1954-02-08
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Granted: 1956-12-18
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Expires: 1974-02-08
Abstract
No abstract record available.
Inventors
- 👤 Urtel Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:21
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)
US2225300A
Cited
US2181328A
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US2251851A
Cited
US2280733A
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US2308908A
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US2396476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |