US3317870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically operated switches
Assignee: Individual
•
Filing: 1963-04-03
•
Granted: 1967-05-02
•
Expires: 1983-04-03
Abstract
No abstract record available.
Inventors
- 👤 Wharton D Bear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:53
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/303; H01B17/308; H01H; H01H36/00; H01H36/0073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A MAGNETIC SWITCH COMPRISING A SLAVE UNIT, MEANS JOURNALLING THE SLAVE UNIT FOR ROTATIVE OSCILLATION ONLY ON AN AXIS, SAID SLAVE UNIT COMPRISING AN ANNULAR SLAVE MAGNET CONCENTRIC WITH SAID AXIS AND HAVING MULTIPLE POLES EVENLY DISTRIBUTED ABOUT THE PERIPHERY OF THE MAGNET, SWITCH MEANS CONTROLLED BY MOTIONS OF THE SLAVE UNIT, A MASTER CONTROL UNIT IN JUXTAPOSED PROXIMITY TO SAID SLAVE UNIT HAVING AN AXIS CO-EXTENSIVE WITH THE AXIS OF SAID SLAVE UNIT, SAID MASTER UNIT COMPRISING AN ANNULAR MASTER MAGNET CONCENTRIC WITH SAID AXIS AND HAVING MULTIPLE POLES EVENLY DISTRIBUTED ABOUT ITS PERIPHERY AND HAVING THE SAME DIAMETER AND THE SAME NUMBER OF POLES AS THE SLAVE MAGNET, SAID MASTER UNIT BEING ROTATABLY OSCILLATABLE ONLY WHEREBY FLUX MAGNETIC COUPLES ARE ESTABLISHED BETWEEN THE POLES OF THE MASTER MAGNET AND THE POLES OF THE SLAVE MAGNET IN ATTRACTION AND REPULSION RESPECTIVELY TO EFFECT SNAP ACTION OF THE SLAVE UNIT IN CLOSING AND OPENING THE CIRCUIT THROUGH THE SWITCH MEANS.
Claim 2
Dependent Claim
160 words
A MAGNETIC SWITCH COMPRISING A SLAVE UNIT, MEANS JOURNALLING THE SLAVE UNIT FOR ROTATIVE OSCILLATION ONLY ON AN AXIS, SAID SLAVE UNIT COMPRISING AN ANNULAR SLAVE MAGNET CONCENTRIC WITH SAID AXIS AND HAVING MULTIPLE POLES EVENLY DISTRIBUTED ABOUT THE PERIPHERY OF THE MAGNET, SWITCH MEANS CONTROLLED BY MOTIONS OF THE SLAVE UNIT, A MASTER CONTROL UNIT IN JUXTAPOSED PROXIMITY TO SAID SLAVE UNIT HAVING AN AXIS CO-EXTENSIVE WITH THE AXIS OF SAID SLAVE UNIT, SAID MASTER UNIT COMPRISING AN ANNULAR MASTER MAGNET CONCENTRIC WITH SAID AXIS AND HAVING MULTIPLE POLES EVENLY DISTRIBUTED ABOUT ITS PERIPHERY AND HAVING THE SAME DIAMETER AND THE SAME NUMBER OF POLES AS THE SLAVE MAGNET, SAID MASTER UNIT BEING ROTATABLY OSCILLATABLE ONLY WHEREBY FLUX MAGNETIC COUPLES ARE ESTABLISHED BETWEEN THE POLES OF THE MASTER MAGNET AND THE POLES OF THE SLAVE MAGNET IN ATTRACTION AND REPULSION RESPECTIVELY TO EFFECT SNAP ACTION OF THE SLAVE UNIT IN CLOSING AND OPENING THE CIRCUIT THROUGH THE SWITCH MEANS.
References Cited (Backward Citations)
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US2477172A
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US2896043A
Cited
US3025372A
Cited
US2980777A
Cited
US3114809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |