Patent US1848148A successfully refreshed from Google Patents.
US3129302A
Expired / Lapsed
US
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Switching device comprising reed contacts operated by permanent magnets
Assignee: International Standard Electric Corp
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Filing: 1962-03-29
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Granted: 1964-04-14
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Postel Gunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:31
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/0006; H01H36/004; H01H51/00; H01H51/28; H04; H04M; H04M1/00; H04M1/02; H04M1/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A SWITCHING DEVICE COMPRISING A FIRST PAIR OF SPACEDAPART SUBSTANTIALLY PARALLEL PLATES OF MAGNETIC MATERIAL EACH HAVING A PLURALITY OF APERTURES THEREIN, FIRST FLUX GENERATING MEANS POSITIONED BETWEEN SAID PLATES NEAR ONE END THEREOF TO ESTABLISH A MAGNETIC FIELD IN THE PLATES OF OPPOSITE POLARITY, FIRST MAGNETICALLY OPERABLE SWITCH MEANS POSITIONED IN FLUX LINKING RELATIONSHIP WITH THE OTHER END OF SAID PLATES, A PLURALITY OF SECOND MAGNETICALLY OPERABLE SWITCH MEANS POSITIONED ADJACENT RESPECTIVE ONES OF SAID APERTURES, AND A PLURALITY OF SELECTIVELY OPERABLE SECOND FLUX GENERATING MEANS MOVABLE INTO AND OUT OF THE CONFINES OF THE ASSOCIATED APERTURES TO VARY THE SAID MAGNETIC FIELD THEREBY OPERATING AND RESTORING THE SAID FIRST SWITCH MEANS AND SIMULTANEOUSLY MOVABLE INTO AND OUT OF FLUX-LINKING RELATIONSHIP WITH THE ASSOCIATED SECOND SWITCH MEANS THEREBY OPERATING AND RESTORING THEM CONCURRENTLY WITH THE OPERATION AND RESTORATION OF THE SAID FIRST SWITCH MEANS.
Claim 2
Dependent Claim
145 words
A SWITCHING DEVICE COMPRISING A FIRST PAIR OF SPACEDAPART SUBSTANTIALLY PARALLEL PLATES OF MAGNETIC MATERIAL EACH HAVING A PLURALITY OF APERTURES THEREIN, FIRST FLUX GENERATING MEANS POSITIONED BETWEEN SAID PLATES NEAR ONE END THEREOF TO ESTABLISH A MAGNETIC FIELD IN THE PLATES OF OPPOSITE POLARITY, FIRST MAGNETICALLY OPERABLE SWITCH MEANS POSITIONED IN FLUX LINKING RELATIONSHIP WITH THE OTHER END OF SAID PLATES, A PLURALITY OF SECOND MAGNETICALLY OPERABLE SWITCH MEANS POSITIONED ADJACENT RESPECTIVE ONES OF SAID APERTURES, AND A PLURALITY OF SELECTIVELY OPERABLE SECOND FLUX GENERATING MEANS MOVABLE INTO AND OUT OF THE CONFINES OF THE ASSOCIATED APERTURES TO VARY THE SAID MAGNETIC FIELD THEREBY OPERATING AND RESTORING THE SAID FIRST SWITCH MEANS AND SIMULTANEOUSLY MOVABLE INTO AND OUT OF FLUX-LINKING RELATIONSHIP WITH THE ASSOCIATED SECOND SWITCH MEANS THEREBY OPERATING AND RESTORING THEM CONCURRENTLY WITH THE OPERATION AND RESTORATION OF THE SAID FIRST SWITCH MEANS.
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |