US3559132A
Expired / Lapsed
US
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Assignee: PROTOTYPE TECH ELECTRONIQUE SO
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Filing: 1969-07-07
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Granted: 1971-01-26
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Expires: 1989-07-07
Abstract
Abstract A CONTACT SPRING RELAY COMPRISING A COIL, A MAGNETIC CIRCUIT, AT LEAST TWO FLEXIBLE CONDUCTING BLADES, WHEREIN THE MAGNETIC CIRCUIT CONSISTS OF AN ANGLE PART, A CORE SECURED AT A FIRST BRANCH OF SAID ANGLE PART, AN ARMATURE PLATE PLACED ON THE FREE END OF THE CORE AND ON THE END OF A SECOND BRANCH OF THE ANGLE PART, AND A CASTING MADE OF INSULATING MATERIAL WHEREIN THE ARMATURE PLATE AND THE BLADES ARE EMBEDDED.
Inventors
- 👤 Raymond Bernier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:56
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/02; H01H50/04; H01H50/041; H01H50/16; H01H50/18; H01H50/24; H01H50/28
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 |