US3515979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic field control apparatus
Assignee: Applied Biosystems Inc
•
Filing: 1957-11-04
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Granted: 1970-06-02
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Expires: 1977-11-04
Abstract
No abstract record available.
Inventors
- 👤 Marcel J E Golay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:36
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/20; H01F7/202; G; G01; G01R; G01R33/00; G01R33/20; G01R33/28; G01R33/38; G01R33/387; G01R33/3875; H01F29/00; H01F29/14; H01F29/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
APPARATUS FOR IMPROVING THE HOMOGENEITY OF A REGION OF MAGNETIC FIELD COMPRISING A FIRST AND SECOND SEPARATELY ENERGIZABLE ELECTRIC CONDUCTOR MEANS ARRANGED ADJACENT THE REGION OF MAGNETIC FIELD TO BE CORRECTED, AN ADJUSTABLE CURRENT VARYING MEANS FOR EACH SAID CONDUCTOR MEANS, EACH SAID CONDUCTOR MEANS BEING DISPOSED TO PROVIDE A CORRESPONDING HOMOGENIZING MAGNETIC FIELD COMPONENT WITHIN SAID REGION OF FIELD THAT IS ADJUSTABLE IN ACCORDANCE WITH ADJUSTMENT OF SAID CURRENT VARYING MEANS, SAID FIRST AND SECOND CONDUCTOR MEANS BEING LO-
Claim 2
Dependent Claim
80 words
APPARATUS FOR IMPROVING THE HOMOGENEITY OF A REGION OF MAGNETIC FIELD COMPRISING A FIRST AND SECOND SEPARATELY ENERGIZABLE ELECTRIC CONDUCTOR MEANS ARRANGED ADJACENT THE REGION OF MAGNETIC FIELD TO BE CORRECTED, AN ADJUSTABLE CURRENT VARYING MEANS FOR EACH SAID CONDUCTOR MEANS, EACH SAID CONDUCTOR MEANS BEING DISPOSED TO PROVIDE A CORRESPONDING HOMOGENIZING MAGNETIC FIELD COMPONENT WITHIN SAID REGION OF FIELD THAT IS ADJUSTABLE IN ACCORDANCE WITH ADJUSTMENT OF SAID CURRENT VARYING MEANS, SAID FIRST AND SECOND CONDUCTOR MEANS BEING LO-
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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) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |