Patent FR2474304B1 successfully refreshed from Google Patents.
US3341772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring locally dependent differences between the magnetic field gradient at different points of a magnetic field
Assignee: Siemens Schuckertwerke AG
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Filing: 1964-10-21
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Granted: 1967-09-12
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Expires: 1984-10-21
Abstract
No abstract record available.
Inventors
- 👤 Weiss Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:04
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/06; G01R33/07; G01R33/022; G01R33/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
A DEVICE FOR MEASURING THE LOCALITY-DEPENDENT DIFFERENCE BETWEEN THE MAGNETIC FIELD GRADIENT AT DIFFERENT POINTS OF A MAGNETIC FIELD, SAID DEVICE COMPRISING A RIGID CARRIER, TWO PAIRS OF GLAVANOMAGNETIC PROBES FIXEDLY MOUNTED ON SAID CARRIER IN SPACED RELATION TO EACH OTHER, EACH PROBE OF EACH OF SAID PAIRS OF PROBES HAVING TWO SPACED OPPOSITE ENDS, EACH OF SAID PAIRS OF PROBES HAVING CONNECTING MEANS OF SEMICONDUCTOR MATERIAL CONNECTING ONE OF THE ENDS OF EACH OF THE PROBES WITH THE CORRESPONDING END OF THE OTHER OF THE PROBES, SAID TWO PROBES AND SAID CONNECTING MEANS OF EACH OF SAID PAIRS OF PROBES BEING FORMED OF THE SAME SEMICONDUCTOR MATERIAL AND CONSISTING OF A SINGLE INTEGRAL PIECE, AND ELECTRICAL METER HAVING A PAIR OF INPUT TERMINALS, ONE OF SAID INPUT TERMINALS BEING ELECTRICALLY CONNECTED TO THE OTHER OF THE ENDS OF ONE OF THE PROBES OF ONE PAIR OF PROBES AND TO THE OTHER OF THE ENDS OF ONE OF THE PROBES OF THE OTHER PAIR OF PROBES, THE OTHER OF SAID INPUT TERMINALS BEING ELECTRICALLY CONNECTED TO THE OTHER OF THE ENDS OF THE OTHER OF THE PROBES OF SAID ONE PAIR OF PROBES AND TO THE OTHER OF THE ENDS OF THE OTHER OF THE PROBES OF SAID OTHER PAIR OF PROBES, AND VOLTAGE SUPPLY MEANS ELECTRICALLY CONNECTED TO THE CONNECTING MEANS OF EACH OF SAID PAIRS OF PROBES.
Claim 2
Independent Claim
229 words
A DEVICE FOR MEASURING THE LOCALITY-DEPENDENT DIFFERENCE BETWEEN THE MAGNETIC FIELD GRADIENT AT DIFFERENT POINTS OF A MAGNETIC FIELD, SAID DEVICE COMPRISING A RIGID CARRIER, TWO PAIRS OF GLAVANOMAGNETIC PROBES FIXEDLY MOUNTED ON SAID CARRIER IN SPACED RELATION TO EACH OTHER, EACH PROBE OF EACH OF SAID PAIRS OF PROBES HAVING TWO SPACED OPPOSITE ENDS, EACH OF SAID PAIRS OF PROBES HAVING CONNECTING MEANS OF SEMICONDUCTOR MATERIAL CONNECTING ONE OF THE ENDS OF EACH OF THE PROBES WITH THE CORRESPONDING END OF THE OTHER OF THE PROBES, SAID TWO PROBES AND SAID CONNECTING MEANS OF EACH OF SAID PAIRS OF PROBES BEING FORMED OF THE SAME SEMICONDUCTOR MATERIAL AND CONSISTING OF A SINGLE INTEGRAL PIECE, AND ELECTRICAL METER HAVING A PAIR OF INPUT TERMINALS, ONE OF SAID INPUT TERMINALS BEING ELECTRICALLY CONNECTED TO THE OTHER OF THE ENDS OF ONE OF THE PROBES OF ONE PAIR OF PROBES AND TO THE OTHER OF THE ENDS OF ONE OF THE PROBES OF THE OTHER PAIR OF PROBES, THE OTHER OF SAID INPUT TERMINALS BEING ELECTRICALLY CONNECTED TO THE OTHER OF THE ENDS OF THE OTHER OF THE PROBES OF SAID ONE PAIR OF PROBES AND TO THE OTHER OF THE ENDS OF THE OTHER OF THE PROBES OF SAID OTHER PAIR OF PROBES, AND VOLTAGE SUPPLY MEANS ELECTRICALLY CONNECTED TO THE CONNECTING MEANS OF EACH OF SAID PAIRS OF PROBES.
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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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |