US3365660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic testing device utilizing magnetizing means which clamps the test piece and contains imbedded sensors
Assignee: ERICH A STEINGROEVER
•
Filing: 1966-05-03
•
Granted: 1968-01-23
•
Expires: 1986-05-03
Abstract
No abstract record available.
Inventors
- 👤 Erich A Steingroever
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:07
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/12; G01R33/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A DEVICE FOR DETERMINING THE MAGNETIC PROPERTIES OF A TEST PIECE, COMPRISING A YOKE HAVING FIRST AND SECOND POLES WITH CONFRONTING POLE FACES DEFINING A GAP THEREBETWEEN, THE DISTANCE BETWEEN SAID POLES BEING ADJUSTABLE TO ALLOW CLAMPING OF SAID TEST PIECE BETWEEN SAID POLES, MEANS MAGNETIZING SAID POLES, A FIRST PICK-UP COIL IN THE SAID FIRST POLE FACE ABUTTING SAID TEST PIECE, SAID FIRST PICKUP COIL MEASURING THE MAGNETIC INDUCTIVITY B IN SAID TEST PIECE, A SECOND PICK-UP COIL RECEIVED IN SAID FIRST POLE FACE IN AN AREA NOT ABUTTING SAID TEST PIECE, SAID SECOND PICK-UP COIL HAVING THE SAME TURNS-AREA VALUE AS SAID FIRST COIL AND MEASURING THE FIELD STRENGTH H ACROSS SAID AIR GAP, AN INTEGRATING FLUXMETER, SAID PICK-UP COILS CONNECTED IN SERIES OPPOSING RELATION WITH EACH OTHER AND IN SERIES WITH SAID FLUXMETER.
Claim 2
Independent Claim
136 words
A DEVICE FOR DETERMINING THE MAGNETIC PROPERTIES OF A TEST PIECE, COMPRISING A YOKE HAVING FIRST AND SECOND POLES WITH CONFRONTING POLE FACES DEFINING A GAP THEREBETWEEN, THE DISTANCE BETWEEN SAID POLES BEING ADJUSTABLE TO ALLOW CLAMPING OF SAID TEST PIECE BETWEEN SAID POLES, MEANS MAGNETIZING SAID POLES, A FIRST PICK-UP COIL IN THE SAID FIRST POLE FACE ABUTTING SAID TEST PIECE, SAID FIRST PICKUP COIL MEASURING THE MAGNETIC INDUCTIVITY B IN SAID TEST PIECE, A SECOND PICK-UP COIL RECEIVED IN SAID FIRST POLE FACE IN AN AREA NOT ABUTTING SAID TEST PIECE, SAID SECOND PICK-UP COIL HAVING THE SAME TURNS-AREA VALUE AS SAID FIRST COIL AND MEASURING THE FIELD STRENGTH H ACROSS SAID AIR GAP, AN INTEGRATING FLUXMETER, SAID PICK-UP COILS CONNECTED IN SERIES OPPOSING RELATION WITH EACH OTHER AND IN SERIES WITH SAID FLUXMETER.
References Cited (Backward Citations)
DE871185C
Cited
US2942177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |