Patent US3134975A successfully refreshed from Google Patents.
US3134975A
Expired / Lapsed
US
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Radar display for collision warning device and navigational aid
Assignee: Individual
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Filing: 1960-12-30
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Granted: 1964-05-26
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 David M Goodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:44
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/93; G01S13/933; G01S1/00; G01S1/02; G01S13/91; G01S13/913; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A MULTI-COLOR DISPLAY APPARATUS COMPRISING IN COMBINATION: FIRST MEANS FOR PROPAGATING A BEAM OF ENERGY, SECOND MEANS FOR SCANNING SAID BEAM OF ENERGY TO IRRADIATE DISTANT OBJECTS, THIRD MEANS TO DETECT RETURN SIGNALS FROM THE DISTANT OBJECTS AND TO PROVIDE SIGNALS IN DIFFERENT CHANNELS REPRESENTING DIFFERENT RANGES OF SAID OBJECTS, FOURTH MEANS FOR STORING THE SIGNALS IN EACH OF THE
Claim 2
Dependent Claim
60 words
A MULTI-COLOR DISPLAY APPARATUS COMPRISING IN COMBINATION: FIRST MEANS FOR PROPAGATING A BEAM OF ENERGY, SECOND MEANS FOR SCANNING SAID BEAM OF ENERGY TO IRRADIATE DISTANT OBJECTS, THIRD MEANS TO DETECT RETURN SIGNALS FROM THE DISTANT OBJECTS AND TO PROVIDE SIGNALS IN DIFFERENT CHANNELS REPRESENTING DIFFERENT RANGES OF SAID OBJECTS, FOURTH MEANS FOR STORING THE SIGNALS IN EACH OF THE
References Cited (Backward Citations)
US2761089A
Cited
US2780805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |