Patent US1992805A successfully refreshed from Google Patents.
US1992805A
Expired / Lapsed
US
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High frequency circuit
Assignee: General Electric Co
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Filing: 1933-03-01
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Granted: 1935-02-26
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Expires: 1953-03-01
Abstract
No abstract record available.
Inventors
- 👤 Becker Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:31
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/242
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-02-25 | 1938-08-27 | 1939-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-25 | 1942-08-27 | 1943-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-25 | 1946-08-27 | 1947-02-26 | $7700.00 | Window Closed / Lapsed |