Patent US3269314A successfully refreshed from Google Patents.
US3269314A
Expired / Lapsed
US
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Radio proximity fuze
Assignee: Unisys Corp
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Filing: 1942-12-07
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Granted: 1966-08-30
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Expires: 1962-12-07
Abstract
No abstract record available.
Inventors
- 👤 Russell H Varian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:37
CPC Classifications
F; F42; F42C; F42C13/00; F42C13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN APPARATUS OF THE CHARACTER DESCRIBED, A MISSILE ADAPTED TO BE PROPELLED TOWARD A TARGET, MEANS FOR DIRECTING ELECTROMAGNETIC RADIATION AT SAID MISSILE AND FROM THE TARGET, SAID MISSILE HAVING A RECEIVER FOR RECEIVING THE DIRECT RADIATION FROM SAID RADIATING MEANS AND FOR RECEIVING RADIATION REFLECTED FROM THE TARGET, A NORMALLY OPEN DETONATION CONTROL CIRCUIT IN SAID MISSILE, AND FREQUENCY SELECTIVE MEANS CONTROLLED FROM SAID RECEIVER FOR EFFECTING THE CLOSING OF SAID DETONATION CIRCUIT WHEN A PREDETERMINED HETERODYNE FREQUENCY IS PRODUCED IN SAID RECEIVER BY SAID DIRECT RECEPTION AND SAID REFLECTED RECEPTION.
Claim 2
Dependent Claim
92 words
IN APPARATUS OF THE CHARACTER DESCRIBED, A MISSILE ADAPTED TO BE PROPELLED TOWARD A TARGET, MEANS FOR DIRECTING ELECTROMAGNETIC RADIATION AT SAID MISSILE AND FROM THE TARGET, SAID MISSILE HAVING A RECEIVER FOR RECEIVING THE DIRECT RADIATION FROM SAID RADIATING MEANS AND FOR RECEIVING RADIATION REFLECTED FROM THE TARGET, A NORMALLY OPEN DETONATION CONTROL CIRCUIT IN SAID MISSILE, AND FREQUENCY SELECTIVE MEANS CONTROLLED FROM SAID RECEIVER FOR EFFECTING THE CLOSING OF SAID DETONATION CIRCUIT WHEN A PREDETERMINED HETERODYNE FREQUENCY IS PRODUCED IN SAID RECEIVER BY SAID DIRECT RECEPTION AND SAID REFLECTED RECEPTION.
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |