US3267263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Navigational computer-display apparatus
Assignee: Individual
•
Filing: 1962-11-29
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Granted: 1966-08-16
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Expires: 1982-11-29
Abstract
No abstract record available.
Inventors
- 👤 Carlton J Nelson
- 👤 Donald N Spangenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:41
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/20; G01C21/22; G01S; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
A NAVIGATIONAL COMPUTER-DISPLAY APPARATUS FOR USE IN SMALL AIRCRAFT COMPRISING: A MAP SUPPORTED IN THE AIRCRAFT; AN INDEX MOVABLE RELATIVE TO SAID MAP FOR INDICATING THE INSTANTANEOUS GROUND POSITION OF THE AIRCRAFT; COMPUTING MEANS HAVING AN OUTPUT INDICATIVE OF GROUND SPEED; SPEED INTEGRATOR MEANS CONNECTED AT ITS INPUT TO THE OUT OF SAID COMPUTING MEANS AND HAVING AN OUTOUTPUT OPERATIVELY CONNECTED AT ITS OUTPUT TO SAID MAP AND INDEX FOR MOVING ONE RELATIVE TO THE OTHER IN ACCORDANCE WITH AIRCRAFT POSITION; TRANSLATION MEANS OPERATIVELY CONNECTED TO SAID INTEGRATOR MEANS FOR MANUALLY TRANSLATING SAID MAP RELATIVE TO SAID INDEX IRRESPECTIVE OF THE OUTPUT FROM SAID COMPUTING MEANS;
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |