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US2519763A
Expired / Lapsed
US
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Electronic gating circuit
Assignee: Individual
•
Filing: 1946-04-30
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Granted: 1950-08-22
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Expires: 1966-04-30
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Hoglund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:18
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/54; G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2212558A
Cited
US2404047A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |