US3284699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical pumping magnetometer
Assignee: Thales SA
•
Filing: 1964-01-16
•
Granted: 1966-11-08
•
Expires: 1984-01-16
Abstract
No abstract record available.
Inventors
- 👤 Malnar Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:31
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/20; G01R33/24; G01R33/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A MAGNETOMETER CAPABLE OF MEASURING MAGNETIC FIELD INTENSITIES, COMPRISING: A SINGLE FIELD INTENSITY SENSING ELEMENT; ONE OUTPUT COUPLED TO SAID ELEMENT; MEANS FOR SUPERIMPOSING, ON THE MAGNETIC FIELD TO BE MEASURED, THREE ALTERNATING FIELDS, DIRECTED ALONG PREDETERMINED REFERENCE AXES, SAID FIELDS HAVING FIXED RESPECTIVE FREQUENCIES; THREE BAND PASS FILTERS CONNECTED TO SAID OUTPUT, RESPECTIVELY
Claim 2
Dependent Claim
54 words
A MAGNETOMETER CAPABLE OF MEASURING MAGNETIC FIELD INTENSITIES, COMPRISING: A SINGLE FIELD INTENSITY SENSING ELEMENT; ONE OUTPUT COUPLED TO SAID ELEMENT; MEANS FOR SUPERIMPOSING, ON THE MAGNETIC FIELD TO BE MEASURED, THREE ALTERNATING FIELDS, DIRECTED ALONG PREDETERMINED REFERENCE AXES, SAID FIELDS HAVING FIXED RESPECTIVE FREQUENCIES; THREE BAND PASS FILTERS CONNECTED TO SAID OUTPUT, RESPECTIVELY
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |