US3324432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed contact makers including diaphragms for closing contacts
Assignee: International Standard Electric Corp
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Filing: 1966-07-27
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Granted: 1967-06-06
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Expires: 1986-07-27
Abstract
No abstract record available.
Inventors
- 👤 Ridler Desmond Sydney
- 👤 Myatt Edward Ronald
- 👤 Loveland Ernest Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:51
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/287
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A SEALED MULTIPLE CONTACT DEVICE WHICH INCLUDES, WITHIN A HERMETICALLY SEALED ENCLOSURE, A FLAT RESILIENT PLATE OF FERROMAGNETIC METAL HAVING A PERIPHERAL AREA WHICH IS SEALED INTO THE ENCLOSURE AND A PLURALITY OF INWARDLY EXTENDING TONGUES, A CONTACT AREA OF ELECTRICALLY CONDUCTIVE MATERIAL CARRIED ON EACH TONGUE AND INSULATED THEREFROM BY A LAYER OF ELECTRICALLY INSULATING MATERIAL, AND TWO FIXED CONTACTS OF ELECTRICALLY CONDUCTIVE MATERIAL FOR EACH TONGUE SEALED THROUGH THE ENCLOSURE AND LOCATED SO THAT UPON THE APPLICATION OF MAGNETIC FLUX THROUGH THE DEVICE THE TONGUES MOVE AND EACH CONTACT AREA BRIDGES ITS CORRESPONDING TWO FIXED CONTACTS TO PROVIDE AN ELECTRICAL PATH BETWEEN THEM.
Claim 2
Dependent Claim
105 words
A SEALED MULTIPLE CONTACT DEVICE WHICH INCLUDES, WITHIN A HERMETICALLY SEALED ENCLOSURE, A FLAT RESILIENT PLATE OF FERROMAGNETIC METAL HAVING A PERIPHERAL AREA WHICH IS SEALED INTO THE ENCLOSURE AND A PLURALITY OF INWARDLY EXTENDING TONGUES, A CONTACT AREA OF ELECTRICALLY CONDUCTIVE MATERIAL CARRIED ON EACH TONGUE AND INSULATED THEREFROM BY A LAYER OF ELECTRICALLY INSULATING MATERIAL, AND TWO FIXED CONTACTS OF ELECTRICALLY CONDUCTIVE MATERIAL FOR EACH TONGUE SEALED THROUGH THE ENCLOSURE AND LOCATED SO THAT UPON THE APPLICATION OF MAGNETIC FLUX THROUGH THE DEVICE THE TONGUES MOVE AND EACH CONTACT AREA BRIDGES ITS CORRESPONDING TWO FIXED CONTACTS TO PROVIDE AN ELECTRICAL PATH BETWEEN THEM.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |