US3102260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for comparing maps
Assignee: North American Aviation Corp
•
Filing: 1951-11-03
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Granted: 1963-08-27
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Expires: 1971-11-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Mihelich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:50
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN COMBINATION WITH A RADAR DEVICE, MEANS CONNECTED WITH SAID RADAR FOR STORING IN TERMS OF ELECTRIC CHARGE SIGNALS PRODUCED BY SAID RADAR A REFERENCE MAP; MEANS OPERATIVELY CONNECTED WITH SAID REFERENCE MAP FOR PRODUCING AN ELECTRIC CHARGE PROPORTIONAL TO INFORMATION INSCRIBED ON SAID MAP; AND MEANS OPERATIVELY CONNECTED WITH SAID LASTLY MENTIONED MEANS AND SAID STORING MEANS FOR COMPARING SAID ELECTRIC CHARGES AND PRODUCING A VOLTAGE PROPORTIONAL TO THE DIFFERENCE THEREBETWEEN.
Claim 2
Dependent Claim
72 words
IN COMBINATION WITH A RADAR DEVICE, MEANS CONNECTED WITH SAID RADAR FOR STORING IN TERMS OF ELECTRIC CHARGE SIGNALS PRODUCED BY SAID RADAR A REFERENCE MAP; MEANS OPERATIVELY CONNECTED WITH SAID REFERENCE MAP FOR PRODUCING AN ELECTRIC CHARGE PROPORTIONAL TO INFORMATION INSCRIBED ON SAID MAP; AND MEANS OPERATIVELY CONNECTED WITH SAID LASTLY MENTIONED MEANS AND SAID STORING MEANS FOR COMPARING SAID ELECTRIC CHARGES AND PRODUCING A VOLTAGE PROPORTIONAL TO THE DIFFERENCE THEREBETWEEN.
References Cited (Backward Citations)
US2422295A
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US2508562A
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US2506127A
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US2528202A
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US2586743A
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US2526682A
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US2539901A
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US2655650A
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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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |