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US3134975A Expired / Lapsed US ⏱️ 0.0 years remaining

Radar display for collision warning device and navigational aid

Assignee: Individual
•
Filing: 1960-12-30
•
Granted: 1964-05-26
•
Expires: 1980-12-30
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Abstract

No abstract record available.

Inventors

  • 👤 David M Goodman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:57
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

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