US3071752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interference reduction apparatus
Assignee: Individual
•
Filing: 1958-01-02
•
Granted: 1963-01-01
•
Expires: 1978-01-02
Abstract
No abstract record available.
Inventors
- 👤 Strasberg Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:44
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/16; G10K11/175; G10K11/178; G10K2210/00; G10K2210/10; G10K2210/108; G10K2210/121; G10K2210/127; G10K2210/30; G10K2210/301; G10K2210/3033; G10K2210/3045; Y; Y10; Y10S; Y10S367/00; Y10S367/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN A SONAR DETECTION SYSTEM WITH A RECURRING NOISE GENERATOR NEARBY, THE COMBINATION OF, TRANSDUCER MEANS FOR RECEIVING BOTH A SONAR SIGNAL AND THE RECURRING NOISE, MEANS FOR RECORDING ONLY THE RECURRING NOISE PICKED UP BY SAID DETECTION SYSTEM SYNCHRONIZED WITH SAID GENERATOR, AND MEANS FOR MIXING SAID RECORDED SIGNAL WITH THE OUTPUT OF SAID TRANSDUCER MEANS WHEREBY SAID RECURRING NOISE MAY BE REDUCED.
Claim 2
Dependent Claim
64 words
IN A SONAR DETECTION SYSTEM WITH A RECURRING NOISE GENERATOR NEARBY, THE COMBINATION OF, TRANSDUCER MEANS FOR RECEIVING BOTH A SONAR SIGNAL AND THE RECURRING NOISE, MEANS FOR RECORDING ONLY THE RECURRING NOISE PICKED UP BY SAID DETECTION SYSTEM SYNCHRONIZED WITH SAID GENERATOR, AND MEANS FOR MIXING SAID RECORDED SIGNAL WITH THE OUTPUT OF SAID TRANSDUCER MEANS WHEREBY SAID RECURRING NOISE MAY BE REDUCED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |