Patent US3140475A successfully refreshed from Google Patents.
US3140475A
Expired / Lapsed
US
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Electromagnetic position translating device
Assignee: General Electric Co
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Filing: 1960-12-30
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Granted: 1964-07-07
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Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 William R Spencer
- 👤 Nistico Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:33
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
ELECTROMAGNETIC POSITION TRANSLATING MEANS COMPRISING A PRIMARY COIL AND A SECONDARY COIL COAXIALLY ALIGNED IN END-TO-END RELATION AND HAVING A COMMON CONNECTION AT ONE END OF EACH THEREOF, AN A.C. VOLTAGE SOURCE CONNECTED BETWEEN SAID COMMON CONNECTION AND THE END OF SAID PRIMARY COIL REMOTE THEREFROM, A.C. VOLTAGE SENSITIVE MEANS CONNECTED BETWEEN THE ENDS OF SAID PRIMARY AND SECONDARY COILS REMOTE FROM SAID COMMON CONNECTION, AND A MAGNETICALLY PERMEABLE CORE ELEMENT OF SUBSTANTIALLY GREATER LENGTH THAN SAID PRIMARY COIL EXTENDING THROUGH THAT COIL AND AT LEAST PARTIALLY THROUGH SAID
Claim 2
Dependent Claim
89 words
ELECTROMAGNETIC POSITION TRANSLATING MEANS COMPRISING A PRIMARY COIL AND A SECONDARY COIL COAXIALLY ALIGNED IN END-TO-END RELATION AND HAVING A COMMON CONNECTION AT ONE END OF EACH THEREOF, AN A.C. VOLTAGE SOURCE CONNECTED BETWEEN SAID COMMON CONNECTION AND THE END OF SAID PRIMARY COIL REMOTE THEREFROM, A.C. VOLTAGE SENSITIVE MEANS CONNECTED BETWEEN THE ENDS OF SAID PRIMARY AND SECONDARY COILS REMOTE FROM SAID COMMON CONNECTION, AND A MAGNETICALLY PERMEABLE CORE ELEMENT OF SUBSTANTIALLY GREATER LENGTH THAN SAID PRIMARY COIL EXTENDING THROUGH THAT COIL AND AT LEAST PARTIALLY THROUGH SAID
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |