US3307182A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar system
Assignee: Individual
•
Filing: 1964-08-28
•
Granted: 1967-02-28
•
Expires: 1984-08-28
Abstract
No abstract record available.
Inventors
- 👤 Christopher M Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:14
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/32; G01S13/34; G01S13/343
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THE METHOD OF IMPROVING TRANSMITTER-RECEIVER ISOLATION AND OBTAINING RANGE GATING IN A CW/FM RADAR SYSTEM, HAVING A TRANSMITTER WHICH TRANSMITS A SIGNAL AND RECEIVER WHICH INCLUDES A TUNABLE FILTER, COMPRISING THE STEPS OF: FREQUENCY MODULATING THE TRANSMITTER SIGNAL ACCORDING TO A PREDETERMINED REPETITIVE PATTERN;
Claim 2
Independent Claim
44 words
THE METHOD OF IMPROVING TRANSMITTER-RECEIVER ISOLATION AND OBTAINING RANGE GATING IN A CW/FM RADAR SYSTEM, HAVING A TRANSMITTER WHICH TRANSMITS A SIGNAL AND RECEIVER WHICH INCLUDES A TUNABLE FILTER, COMPRISING THE STEPS OF: FREQUENCY MODULATING THE TRANSMITTER SIGNAL ACCORDING TO A PREDETERMINED REPETITIVE PATTERN;
References Cited (Backward Citations)
US2011392A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |