Patent US2554172A successfully refreshed from Google Patents.
US2554172A
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Linear sweep wave generator
Assignee: General Electric Co
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Filing: 1948-03-06
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Granted: 1951-05-22
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Expires: 1968-03-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Custin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:01
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/12; H03K4/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2232076A
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US2282340A
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US2412064A
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US2412063A
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US2453787A
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US2426256A
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US2439324A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |