US3559124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically actuated reed switches
Assignee: Hermetic Switch Inc
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Filing: 1969-02-19
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Granted: 1971-01-26
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Expires: 1989-02-19
Abstract
Abstract A COMPACT REED SWITCH DEVICE CAPABLE OF EXTREMELY HIGH SENSITIVITY APPLICATIONS, THE DEVICE CONSISTING OF CERAMIC OR OTHER MAGNET MATERIAL POLARIZED THROUGH A THIN DIMENSION, AND BEING DISPOSED ADJACENT A THERMETICALLY SEALED REED SWITCH ASSEMBLY SUCH THAT THE MAGNET MATERIAL CAN BE ROTATED ABOUT THE AXIS OF A LONG DIMENSION TO EFFECT SEQUENTIAL OPENINGS AND CLOSING OF THE REED SWITCH DEVICE.
Inventors
- 👤 William T Posey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:24
CPC Classifications
H; H01; H01H; H01H36/00; H01H36/0006; H01H36/0013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |