US3141102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable double path brake magnet
Assignee: Magnetfabrik Bonn GmbH
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Filing: 1960-09-01
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Granted: 1964-07-14
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Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 Steingroever Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:04
CPC Classifications
G; G01; G01R; G01R11/00; G01R11/02; G01R11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
AN ADJUSTABLE DOUBLE PATH BRAKE MAGNET COMPRISING A HOUSING OF SOFT IRON MATERIAL, A CYLINDRICAL PERMANENT MAGNET MEMBER U-SHAPED TO FORM A PAIR OF SPACED POLES OF OPPOSITE POLARITY, SAID MAGNET BEING MOUNTED INTERIORLY OF SAID HOUSING ON ONE SIDE THEREOF, THE OPPOSITE SIDE OF SAID HOUSING BEING SPACED FROM SAID POLES AND SERVING AS A RETURN PATH FOR THE MAGNETIC FLUX, AN ELECTRICALLY CONDUCTIVE BRAKING ELEMENT EXTENDING BETWEEN SAID POLES AND SAID OPPOSITE SIDE OF THE HOUSING AND SPACED THEREFROM, SCREW MEANS LOCATED BETWEEN THE LEGS OF THE U-SHAPED MAGNET MEMBER ROTATABLY SECURING SAID MEMBER TO SAID HOUSING, AND AN APERTURE IN SAID
Claim 2
Dependent Claim
104 words
AN ADJUSTABLE DOUBLE PATH BRAKE MAGNET COMPRISING A HOUSING OF SOFT IRON MATERIAL, A CYLINDRICAL PERMANENT MAGNET MEMBER U-SHAPED TO FORM A PAIR OF SPACED POLES OF OPPOSITE POLARITY, SAID MAGNET BEING MOUNTED INTERIORLY OF SAID HOUSING ON ONE SIDE THEREOF, THE OPPOSITE SIDE OF SAID HOUSING BEING SPACED FROM SAID POLES AND SERVING AS A RETURN PATH FOR THE MAGNETIC FLUX, AN ELECTRICALLY CONDUCTIVE BRAKING ELEMENT EXTENDING BETWEEN SAID POLES AND SAID OPPOSITE SIDE OF THE HOUSING AND SPACED THEREFROM, SCREW MEANS LOCATED BETWEEN THE LEGS OF THE U-SHAPED MAGNET MEMBER ROTATABLY SECURING SAID MEMBER TO SAID HOUSING, AND AN APERTURE IN SAID
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |