Patent CA463892A successfully refreshed from Google Patents.
US3239753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oriented particle magnetometer
Assignee: Individual
•
Filing: 1959-11-03
•
Granted: 1966-03-08
•
Expires: 1979-11-03
Abstract
No abstract record available.
Inventors
- 👤 James C Arnold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:03
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN ORIENTED PARTICLE MAGNETOMETER, COMPRISING A RADIOACTIVE ENERGY SOURCE, AN ENERGY-SENSING MEANS, A PLURALITY OF MAGNETICALLY SENSITIVE BODIES INTERPOSED BETWEEN SAID SOURCE AND SAID MEANS, SAID BODIES BEING SO SHAPED AS TO PREVENT A GREATER BARRIER TO THE PASSAGE OF RAYS FROM SAID SOURCE TO SAID MEANS WHEN DISPOSED IN A GIVEN POSITION THAN WHEN OTHERWISE DISPOSED, AND MEANS FOR SUSPENDING SAID BODIES IN DISPERSED CONDITION AND FOR ROTATIONAL MOVEMENT BETWEEN SAID SOURCE AND MEANS, SAID BODIES BEING FORMED IN PART OF A MATERIAL WHICH OFFERS SUBSTANTIAL INTERFERENCE TO THE PASSAGE OF RAYS EMANATING FROM RADIOACTIVE SOURCES.
Claim 2
Dependent Claim
97 words
AN ORIENTED PARTICLE MAGNETOMETER, COMPRISING A RADIOACTIVE ENERGY SOURCE, AN ENERGY-SENSING MEANS, A PLURALITY OF MAGNETICALLY SENSITIVE BODIES INTERPOSED BETWEEN SAID SOURCE AND SAID MEANS, SAID BODIES BEING SO SHAPED AS TO PREVENT A GREATER BARRIER TO THE PASSAGE OF RAYS FROM SAID SOURCE TO SAID MEANS WHEN DISPOSED IN A GIVEN POSITION THAN WHEN OTHERWISE DISPOSED, AND MEANS FOR SUSPENDING SAID BODIES IN DISPERSED CONDITION AND FOR ROTATIONAL MOVEMENT BETWEEN SAID SOURCE AND MEANS, SAID BODIES BEING FORMED IN PART OF A MATERIAL WHICH OFFERS SUBSTANTIAL INTERFERENCE TO THE PASSAGE OF RAYS EMANATING FROM RADIOACTIVE SOURCES.
References Cited (Backward Citations)
US1835612A
Cited
US1963496A
Cited
US2140269A
Cited
US2764733A
Cited
US2844789A
Cited
US2910593A
Cited
US3030509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |