Patent US3293437A successfully refreshed from Google Patents.
US3293437A
Expired / Lapsed
US
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Screen for guided missiles to inhibit spurious responses
Assignee: Hawker Siddeley Dynamics Ltd
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Filing: 1959-06-30
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Granted: 1966-12-20
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Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Boydell Timothy Gordon Bevon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:57
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/32; F42B10/38; F42B10/42; F42B10/46; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/2213; F41G7/2253; F41G7/2273; F41G7/2293; F42B15/00; F42B15/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A GUIDED MISSILE INCLUDING A HOMING HEAD CONTAINING A SENSING SYSTEM SENSITIVE TO HEAT RADIATIONS EMANATING FROM A TARGET AND ANGULARLY MOVABLE TO COVER A PREDETERMINED FIELD OF LOOK, THE MISSILE HAVING A TRANSPARENT NOSE PIECE THROUGH WHICH THE SAID RADIATIONS CAN PASS INTO THE SENSING SYSTEM, A SCREEN ADAPTED TO FIT CLOSELY WITHIN THE LENGTH AND BREADTH OF THE NOSE PIECE OF OPAQUE NON-REFLECTIVE MATERIAL AND RADIATING OUTWARDLY FROM A CENTER LINE IN THE FORM OF A CROSS, SAID SCREEN COMPRISING TWO SUBSTANTIALLY POLYGONAL BLANKS, SAID BLANKS BEING FORMED OF TWO SIMILAR SUBSTANTIALLY TRIANGULAR PORTIONS, A FORWARD ELONGATED, SUBSTANTIALLY TRIANGULAR, TAPERED PORTION AND A REARWARD TRUNCATED TRIANGULAR PORTION, AND SUBSIDIARY SCREENS OF OPAQUE NON-REFLECTIVE MATERIAL DISPOSED BETWEEN THE REARWARD ENDS OF SAID BLANKS ADJACENT THE TRUNCATED TRIANGULAR PORTION.
Claim 2
Dependent Claim
130 words
IN A GUIDED MISSILE INCLUDING A HOMING HEAD CONTAINING A SENSING SYSTEM SENSITIVE TO HEAT RADIATIONS EMANATING FROM A TARGET AND ANGULARLY MOVABLE TO COVER A PREDETERMINED FIELD OF LOOK, THE MISSILE HAVING A TRANSPARENT NOSE PIECE THROUGH WHICH THE SAID RADIATIONS CAN PASS INTO THE SENSING SYSTEM, A SCREEN ADAPTED TO FIT CLOSELY WITHIN THE LENGTH AND BREADTH OF THE NOSE PIECE OF OPAQUE NON-REFLECTIVE MATERIAL AND RADIATING OUTWARDLY FROM A CENTER LINE IN THE FORM OF A CROSS, SAID SCREEN COMPRISING TWO SUBSTANTIALLY POLYGONAL BLANKS, SAID BLANKS BEING FORMED OF TWO SIMILAR SUBSTANTIALLY TRIANGULAR PORTIONS, A FORWARD ELONGATED, SUBSTANTIALLY TRIANGULAR, TAPERED PORTION AND A REARWARD TRUNCATED TRIANGULAR PORTION, AND SUBSIDIARY SCREENS OF OPAQUE NON-REFLECTIVE MATERIAL DISPOSED BETWEEN THE REARWARD ENDS OF SAID BLANKS ADJACENT THE TRUNCATED TRIANGULAR PORTION.
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |