Patent US2077160A successfully refreshed from Google Patents.
US3298022A
Expired / Lapsed
US
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Radio navigation aids
Assignee: BAE Systems Electronics Ltd
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Filing: 1965-03-29
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Granted: 1967-01-10
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Smith Norman Neville Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:30
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A NAVIGATION AID COMPRISING RADAR MEANS FOR TRANSMITTING ANDW RECEIVING RADAR PULSES INCLUDING A SCANNING DIRECTIONAL AERIAL ADAPTED TO SCAN A GIVEN AREA, DISPLAY MEANS RESPONSIVE TO SAID RADAR MEANS FOR PRODUCING A PLAN POSITION INDICATION DISPLAY, SAID DISPLAY MEANS INCLUDING MEANS FOR PRODUCING IN SAID DISPLAY AN ANGULAR MOVING MARKER MOVING IN SYNCHRONISM WITH THE SCANNING DIRECTIONAL AERIAL, A TELEVISION CAMERA ARRANGED TO VIEW SAID DISPLAY, TELEVISION TRANSMISSION MEANS LOCATED A PREDETER-
Claim 2
Dependent Claim
73 words
A NAVIGATION AID COMPRISING RADAR MEANS FOR TRANSMITTING ANDW RECEIVING RADAR PULSES INCLUDING A SCANNING DIRECTIONAL AERIAL ADAPTED TO SCAN A GIVEN AREA, DISPLAY MEANS RESPONSIVE TO SAID RADAR MEANS FOR PRODUCING A PLAN POSITION INDICATION DISPLAY, SAID DISPLAY MEANS INCLUDING MEANS FOR PRODUCING IN SAID DISPLAY AN ANGULAR MOVING MARKER MOVING IN SYNCHRONISM WITH THE SCANNING DIRECTIONAL AERIAL, A TELEVISION CAMERA ARRANGED TO VIEW SAID DISPLAY, TELEVISION TRANSMISSION MEANS LOCATED A PREDETER-
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |