US3757328A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar systems
Assignee: MINI OF AVIAT OF GB
•
Filing: 1964-12-28
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Granted: 1973-09-04
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Expires: 1984-12-28
Abstract
Abstract 1. Radar apparatus including a visual display, means for displaying on the visual display an image formed from elements of contrasting brightness and means for displaying radar returns from moving targets as relatively light elements and radar returns from stationary objects as relatively dark elements against a background of intermediate brightness.
Inventors
- 👤 F Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:10
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S13/00; G01S13/02; G01S13/50; G01S13/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
Radar apparatus including a visual display, means for displaying on the visual display an image formed from elements of contrasting brightness and means for displaying radar returns from moving targets as relatively light elements and radar returns from stationary objects as relatively dark elements against a background of intermediate brightness.
Claim 2
Dependent Claim
50 words
Radar apparatus including a visual display, means for displaying on the visual display an image formed from elements of contrasting brightness and means for displaying radar returns from moving targets as relatively light elements and radar returns from stationary objects as relatively dark elements against a background of intermediate brightness.
References Cited (Backward Citations)
US2426189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |