US3086200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terrain clearance system
Assignee: General Mills Inc
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Filing: 1957-01-22
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Granted: 1963-04-16
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Francis J Altermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/93; G01S13/933; G01S13/935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A TERRAIN CLEARANCE SYSTEM FOR USE WITH AN AIRBORNE RADAR SET COMPRISING MEANS ADAPTED TO BE CONNECTED TO SAID RADAR SET RESPONSIVE TO SHADOW PORTIONS IN THE OUTPUT SIGNAL FROM SAID RADAR SET FOR PRODUCING A SIGNAL HAVING AN ANALOG FUNCTION INDICATIVE OF THE LENGTH OF SAID SHADOW PORTIONS, AND MEANS FOR DETERMINING IF SAID ANALOG FUNCTION IS CHANGING WITH RESPECT TO TIME.
Claim 2
Dependent Claim
63 words
A TERRAIN CLEARANCE SYSTEM FOR USE WITH AN AIRBORNE RADAR SET COMPRISING MEANS ADAPTED TO BE CONNECTED TO SAID RADAR SET RESPONSIVE TO SHADOW PORTIONS IN THE OUTPUT SIGNAL FROM SAID RADAR SET FOR PRODUCING A SIGNAL HAVING AN ANALOG FUNCTION INDICATIVE OF THE LENGTH OF SAID SHADOW PORTIONS, AND MEANS FOR DETERMINING IF SAID ANALOG FUNCTION IS CHANGING WITH RESPECT TO TIME.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |