US2467184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Square voltage wave generator
Assignee: General Electric Co
•
Filing: 1943-07-19
•
Granted: 1949-04-12
•
Expires: 1963-07-19
Abstract
No abstract record available.
Inventors
- 👤 John P Blewett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/55; H03H; H03H7/00; H03H7/30; H03H7/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US623579A
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US957213A
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GB190222152A
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GB190410036A
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US995588A
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US1170811A
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US2263376A
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US2178653A
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US2405069A
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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) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |