US3718929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse classification system
Assignee: General Dynamics Corp
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Filing: 1966-06-08
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Granted: 1973-02-27
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Expires: 1986-06-08
Abstract
Abstract A PULSE CLASSIFICATION SYSTEM IS DESCRIBED WHICH IN ONE EMBODIMENT INCLUDES A SIGNAL GENERATOR WHICH IS ADAPTED TO PRODUCE A REFERENCE SIGNAL HAVING A PREDETERMINED FREQQUENCY SPECTRUM, WITH SAID REFERENCE SIGNAL BEING PRODUCED IN TIMED RELATION WITH A RECEIVED PULSE SIGNAL, AND MEANS FOR COMPARING CORRESPONDING PREDETERMINED BANDWIDTH PORTIONS OF THE PULSE AND REFERENCE SIGNALS TO DETERMINE WHETHER OR NOT THEIR ENERGY LEVELS CORRESPOND.
Inventors
- 👤 Horn J Van
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:03
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/021; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/26; G01S13/28
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |