US3113263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic resonance spectrometer
Assignee: Phillips Petroleum Co
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Filing: 1955-01-31
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Granted: 1963-12-03
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Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 Russell L Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:21
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
APPARATUS FOR IDENTIFYING SUBSTANCES HAVING A MAGNETIC MOMENT COMPRISING A CONTAINER FOR THE SUBSTANCE TO BE DETECTED, MEANS TO ESTABLISH A FIRST ALTERNATING MAGNETIC FIELD OF A FIRST FREQUENCY THROUGH SAID CONTAINER, A COIL POSITIONED WITH RESPECT TO SAID CONTAINER SO THAT PASSAGE OF ELECTRIC CURRENT THROUGH SAID COIL ESTABLISHES A SECOND MAGNETIC FIELD THROUGH SAID CONTAINER AT RIGHT ANGLES TO SAID FIRST MAGNETIC FIELD, A SOURCE OF ALTERNATING CURRENT CONNECTED TO SAID COIL, SAID SOURCE OF ALTERNATING CURRENT BEING OF SUCH AMPLITUDE AS TO VARY SAID SECOND MAGNETIC FIELD FROM AT LEAST THE RESONANCE VALUE FOR THE MATERIAL TO BE DETECTED IN A FIRST DIRECTION TO AT LEAST THE RESONANCE VALUE IN THE OPPOSITE DIRECTION, AND MEANS TO MEASURE THE ENERGY IMPARTED TO THE SUBSTANCE TO BE DETECTED FROM SAID MEANS TO ESTABLISH SAID FIRST MAGNETIC FIELD.
Claim 2
Dependent Claim
138 words
APPARATUS FOR IDENTIFYING SUBSTANCES HAVING A MAGNETIC MOMENT COMPRISING A CONTAINER FOR THE SUBSTANCE TO BE DETECTED, MEANS TO ESTABLISH A FIRST ALTERNATING MAGNETIC FIELD OF A FIRST FREQUENCY THROUGH SAID CONTAINER, A COIL POSITIONED WITH RESPECT TO SAID CONTAINER SO THAT PASSAGE OF ELECTRIC CURRENT THROUGH SAID COIL ESTABLISHES A SECOND MAGNETIC FIELD THROUGH SAID CONTAINER AT RIGHT ANGLES TO SAID FIRST MAGNETIC FIELD, A SOURCE OF ALTERNATING CURRENT CONNECTED TO SAID COIL, SAID SOURCE OF ALTERNATING CURRENT BEING OF SUCH AMPLITUDE AS TO VARY SAID SECOND MAGNETIC FIELD FROM AT LEAST THE RESONANCE VALUE FOR THE MATERIAL TO BE DETECTED IN A FIRST DIRECTION TO AT LEAST THE RESONANCE VALUE IN THE OPPOSITE DIRECTION, AND MEANS TO MEASURE THE ENERGY IMPARTED TO THE SUBSTANCE TO BE DETECTED FROM SAID MEANS TO ESTABLISH SAID FIRST MAGNETIC FIELD.
References Cited (Backward Citations)
USRE23950E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |