US3302198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic terrain avoidance system
Assignee: RTX Corp
•
Filing: 1965-03-16
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Granted: 1967-01-31
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Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Selvin Manuel
- 👤 Frank S Preston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:30
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/93; G01S13/933; G01S13/935; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
IN A TERRAIN AVOIDANCE SYSTEM MEANS FOR PRODUCING A SIGNAL REPRESENTING THE ELEVATION OF TERRAIN AND MEANS FOR MODIFYING SAID SIGNAL ARTIFICIALLY TO INCREASE THE ELEVATION REPRESENTED AS THE LOCATION IN AZIMUTH OF SAID TERRAIN INCREASES.
Claim 2
Dependent Claim
36 words
IN A TERRAIN AVOIDANCE SYSTEM MEANS FOR PRODUCING A SIGNAL REPRESENTING THE ELEVATION OF TERRAIN AND MEANS FOR MODIFYING SAID SIGNAL ARTIFICIALLY TO INCREASE THE ELEVATION REPRESENTED AS THE LOCATION IN AZIMUTH OF SAID TERRAIN INCREASES.
References Cited (Backward Citations)
US3243802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |