US3240897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed magnetic switch and method of manufacture
Assignee: IXYS Integrated Circuits Division Inc
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Filing: 1964-06-19
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Granted: 1966-03-15
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Expires: 1984-06-19
Abstract
No abstract record available.
Inventors
- 👤 Lester W Anderson
- 👤 Chanowitz Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:23
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/005; H01H51/00; H01H51/28; H01H51/282; Y; Y10; Y10S; Y10S65/00; Y10S65/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A SEALED MAGNETIC SWITCH COMPRISING AN ELONGATED DIELECTRIC HOUSING, A PAIR OF MAGNETIC ELEMENTS SEALED IN OPPOSITE ENDS OF THE HOUSING AND HAVING GENERALLY PARALLEL INNER END PORTIONS DISPOSED IN A SPACED AND OVERLAPPED RELATION, THE INNER END PORTIONS BEING GENERALLY UNIPLANAR AND FORMED BY TWO SPACED PLANAR SURFACES OF SUBSTANTIAL AREA JOINED ALONG THEIR EDGES BY SIDE WALLS OF SUBSTANTIALLY SMALLER AREA, AND A PAIR OF PROJECTIONS IN THE HOUSING EACH ENGAGING ONLY ONE EDGE PORTION OF ONE OF THE INNER END PORTIONS TO PROVIDE MEANS FOR DAMPING MOVEMENT OF THE MAGNETIC ELEMENTS, EACH OF THE PROJECTIONS PROVIDING A RECESS AT ITS INNER END FOR RECEIVING THE ENGAGED END PORTION SO THAT THE PROJECTION ENGAGES THE ONE SIDE WALL FORMING THE ENGAGED EDGE PORTION OVER AN APPRECIABLE PART OF ITS TRANSVERSE DIMENSION AND ENGAGES THE PLANAR SURFACE FORMING THE ENGAGED EDGE PORTION OVER A SMALL PART OF ITS TRANSVERSE DIMENSION.
Claim 2
Dependent Claim
151 words
A SEALED MAGNETIC SWITCH COMPRISING AN ELONGATED DIELECTRIC HOUSING, A PAIR OF MAGNETIC ELEMENTS SEALED IN OPPOSITE ENDS OF THE HOUSING AND HAVING GENERALLY PARALLEL INNER END PORTIONS DISPOSED IN A SPACED AND OVERLAPPED RELATION, THE INNER END PORTIONS BEING GENERALLY UNIPLANAR AND FORMED BY TWO SPACED PLANAR SURFACES OF SUBSTANTIAL AREA JOINED ALONG THEIR EDGES BY SIDE WALLS OF SUBSTANTIALLY SMALLER AREA, AND A PAIR OF PROJECTIONS IN THE HOUSING EACH ENGAGING ONLY ONE EDGE PORTION OF ONE OF THE INNER END PORTIONS TO PROVIDE MEANS FOR DAMPING MOVEMENT OF THE MAGNETIC ELEMENTS, EACH OF THE PROJECTIONS PROVIDING A RECESS AT ITS INNER END FOR RECEIVING THE ENGAGED END PORTION SO THAT THE PROJECTION ENGAGES THE ONE SIDE WALL FORMING THE ENGAGED EDGE PORTION OVER AN APPRECIABLE PART OF ITS TRANSVERSE DIMENSION AND ENGAGES THE PLANAR SURFACE FORMING THE ENGAGED EDGE PORTION OVER A SMALL PART OF ITS TRANSVERSE DIMENSION.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |