Patent US3130381A successfully refreshed from Google Patents.
US3130381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shield for inductance coils
Assignee: Motorola Solutions Inc
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Filing: 1961-10-06
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Granted: 1964-04-21
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Expires: 1981-10-06
Abstract
No abstract record available.
Inventors
- 👤 Richard C Oeler
- 👤 Edward A Salners
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:02
CPC Classifications
H; H05; H05K; H05K9/00; H05K9/0007; H05K9/002
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A SHIELDED COIL ASSEMBLY, INCLUDING IN COMBINATION A CHASSIS PLATE HAVING AN OPENING WHICH OPENING CONTAINS GUIDE SLOTS ON THE EDGES THEREOF, A TUBULAR SHIELD HAVING A CONICAL SECTION THEREON PARTIALLY CLOSING A FIRST END TO LEAVE AN OPENING CENTRALLY THEREOF, SAID SHIELD FURTHER HAVING A FULLY OPEN SECOND END AND A PERIPHERAL SHOULDER FORMED NEAR SAID SECOND END, AND HAVING AXIALLY EXTENDING, STRAIGHT LOCKING GROOVES DISPOSED ON OPPOSITE SIDES OF THE INTERIOR SURFACE THEREOF, EACH OF SAID GROOVES HAVING A STOP TOWARD THE UPPER END THEREOF AND A RIDGE TOWARD THE LOWER END THEREOF, SAID SHIELD BEING FIXED TO SAID PLATE IN SAID OPENING THEREIN SO THAT SAID LOCKING GROOVES MATE WITH SAID GUIDE SLOTS AND SO THAT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |