Patent US3299376A successfully refreshed from Google Patents.
US3299376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yttrium iron garnet preselectors
Assignee: Lockheed Martin Tactical Systems Inc
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Filing: 1965-02-10
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Granted: 1967-01-17
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Expires: 1985-02-10
Abstract
No abstract record available.
Inventors
- 👤 Blau Robert
- 👤 Sedlak Burton
- 👤 Robert M Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:25
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/20; H01P1/215; H01P1/218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A GYROMAGNETIC COUPLING DEVICE, INCLUDING A SPHERE OF GYROMAGNETIC MATERIAL, AND A PAIR OF CONDUCTORS DISPOSED AT A SUBSTANTIAL MUTUAL ANGLE, IMPROVED SPHERESUPPORTING MEANS COMPRISING: A PAIR OF SYMMETRICAL HOLDING MEMBERS, EACH OF SAID HOLDING MEMBERS HAVING A SUBSTANTIALLY HEMISPHERICAL RECESS CORRESPONDING IN DIAMETER TO THAT OF SIAD SPHERE, EACH OF SAID MEMBERS HAVING GROOVES POSITIONED IN AN OUTWARDLY DISPOSED SURFACE THEREOF, SAID CONDUCTORS BEING POSITIONED WITHIN THE GROOVES IN EACH OF SAID HOLDING MEMBERS TO MAINTAIN THE SAME IN SURROUNDING RELATION WITH RESPECT TO SAID SPHERE.
Claim 2
Dependent Claim
88 words
IN A GYROMAGNETIC COUPLING DEVICE, INCLUDING A SPHERE OF GYROMAGNETIC MATERIAL, AND A PAIR OF CONDUCTORS DISPOSED AT A SUBSTANTIAL MUTUAL ANGLE, IMPROVED SPHERESUPPORTING MEANS COMPRISING: A PAIR OF SYMMETRICAL HOLDING MEMBERS, EACH OF SAID HOLDING MEMBERS HAVING A SUBSTANTIALLY HEMISPHERICAL RECESS CORRESPONDING IN DIAMETER TO THAT OF SIAD SPHERE, EACH OF SAID MEMBERS HAVING GROOVES POSITIONED IN AN OUTWARDLY DISPOSED SURFACE THEREOF, SAID CONDUCTORS BEING POSITIONED WITHIN THE GROOVES IN EACH OF SAID HOLDING MEMBERS TO MAINTAIN THE SAME IN SURROUNDING RELATION WITH RESPECT TO SAID SPHERE.
References Cited (Backward Citations)
US2764676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |