US3134022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal detector for use with radiation sensor
Assignee: Individual
•
Filing: 1952-11-26
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Granted: 1964-05-19
•
Expires: 1972-11-26
Abstract
No abstract record available.
Inventors
- 👤 Jones Sydney
- 👤 Manns Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:57
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/787; G01S3/781
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
81 words
A SIGNAL DETECTOR COMPRISING A SIGNAL INPUT, A FIRST PHASE SENSITIVE RECTIFIER CONNECTED TO THE INPUT, A FIRST FILTER NETWORK, A FIRST SQUARE LAW CIRCUIT, A SECOND PHASE SENSITIVE RECTIFIER ALSO CONNECTED TO THE INPUT, A SECOND FILTER NETWORK, A SECOND SQUARE LAW CIRCUIT, A SUMMATION MEANS FOR COMBINING THE OUTPUTS OF THE SQUARE LAW CIRCUITS, A SOURCE OF REFERENCE OSCILLATIONS IN PHASE QUADRATURE, MEANS FOR INTRODUCING THE FIRST REFERENCE OSCILLATION INTO THE FIRST PHASE SENSITIVE RECTIFIER, AND MEANS FOR INTRO-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |