US3197704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Passive radars for measuring thermal noise using plural local oscillations
Assignee: Thales SA
•
Filing: 1960-11-25
•
Granted: 1965-07-27
•
Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Simon Jean Claude
- 👤 Malnar Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:50
CPC Classifications
G; G01; G01S; G01S11/00; G01S11/02; G01K; G01K11/00; G01K11/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PASSIVE RADAR COMPRISING IN COMBINATION: AN AERIAL HAVING A PREDETERMINED BANDWITH EQUAL TO 2NB CYCLES; MIXING AND AMPLIFYIGN MEANS HAVING A FIRST INPUT CONNECTED TO SAID AERIAL AND A BANDWIDTH EXTENDING SUBSTANTIALLY FROM 0 TO B CYCLES, SAID MIXING AND AMPLIFYING MEANS HAVING A SECOND INPUT AND AN OUTPUT; MEANS FOR
Claim 2
Dependent Claim
52 words
A PASSIVE RADAR COMPRISING IN COMBINATION: AN AERIAL HAVING A PREDETERMINED BANDWITH EQUAL TO 2NB CYCLES; MIXING AND AMPLIFYIGN MEANS HAVING A FIRST INPUT CONNECTED TO SAID AERIAL AND A BANDWIDTH EXTENDING SUBSTANTIALLY FROM 0 TO B CYCLES, SAID MIXING AND AMPLIFYING MEANS HAVING A SECOND INPUT AND AN OUTPUT; MEANS FOR
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |