Patent US3146446A successfully refreshed from Google Patents.
US3146446A
Expired / Lapsed
US
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Ranging systems
Assignee: Individual
•
Filing: 1960-03-24
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Granted: 1964-08-25
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Expires: 1980-03-24
Abstract
No abstract record available.
Inventors
- 👤 Novitzky Anatol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:08
CPC Classifications
G; G01; G01S; G01S17/00; G01S17/88; G01S17/93; G01S17/931; Y; Y10; Y10S; Y10S367/00; Y10S367/909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
RANGING APPARATUS COMPRISING A FIRST SOURCE OF PULSATING ELECTROMAGNETIC RADIATION HAVING A FREQUENCY OF F'' PULSES PER SECOND, A SECOND SOURCE OF PULSATING ELECTROMAGNETIC RADIATION HAVING A FREQUENCY OF F" PULSES PER SECOND, MEANS FOR GUIDING THE RADIATIONS FROM SAID FIRST AND SECOND SOURCES IN CONSTRICTED BEAMS WHICH ARE ANGULARLY RELATED TO INTERSECT ONLY AT A REGION LOCATED AT A PREDETERMINED DISTANCE FROM SAID SOURCES TO FORM SUPERIMPOSED PULSATING ELECTROMAGNETIC RADIATION AT SAID REGION HAVING A FREQUENCY OF F'''''' PULSES PER SECOND AND CONSTITUTED OF PULSATIONS OF FREQUENCY F'' IN INTERPOSED RELATION TO PULSATIONS OF FREQUENCY F", WHERE F'''''' IS DIFFERENT FROM F'' AND F", AND DETECTING MEANS OPERATIVELY DISPOSED FOR SELECTIVELY DETECTING PULSATING ELECTROMAGNETIC RADIATION ONLY HAVING A FREQUENCY OF F'''''' PULSES PER SECOND.
Claim 2
Dependent Claim
125 words
RANGING APPARATUS COMPRISING A FIRST SOURCE OF PULSATING ELECTROMAGNETIC RADIATION HAVING A FREQUENCY OF F'' PULSES PER SECOND, A SECOND SOURCE OF PULSATING ELECTROMAGNETIC RADIATION HAVING A FREQUENCY OF F" PULSES PER SECOND, MEANS FOR GUIDING THE RADIATIONS FROM SAID FIRST AND SECOND SOURCES IN CONSTRICTED BEAMS WHICH ARE ANGULARLY RELATED TO INTERSECT ONLY AT A REGION LOCATED AT A PREDETERMINED DISTANCE FROM SAID SOURCES TO FORM SUPERIMPOSED PULSATING ELECTROMAGNETIC RADIATION AT SAID REGION HAVING A FREQUENCY OF F'''''' PULSES PER SECOND AND CONSTITUTED OF PULSATIONS OF FREQUENCY F'' IN INTERPOSED RELATION TO PULSATIONS OF FREQUENCY F", WHERE F'''''' IS DIFFERENT FROM F'' AND F", AND DETECTING MEANS OPERATIVELY DISPOSED FOR SELECTIVELY DETECTING PULSATING ELECTROMAGNETIC RADIATION ONLY HAVING A FREQUENCY OF F'''''' PULSES PER SECOND.
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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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |