US3331040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature diaphragm relay
Assignee: International Standard Electric Corp
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Filing: 1965-10-19
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Granted: 1967-07-11
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Expires: 1985-10-19
Abstract
No abstract record available.
Inventors
- 👤 Woodhead Harry Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:22
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/28; H01H51/284; H01H51/281; H01H51/287; H01H67/00; H01H67/22; H01H67/24; H01H67/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN ELECTROMAGNETIC CONTACT-MAKING RELAY INCLUDING AN OUTER MAGNETIC MEMBER, AN INNER MAGNETIC MEMBER PASSING THROUGH AN APERTURE IN THE OUTER MAGNETIC MEMBER AND ELECTRICALLY AND MAGNETICALLY INSULATING THEREFROM, AND A RESILIENT DIAPHRAGM OF MAGNETIC MATERIAL SECURED AT ITS PERIPHERY TO THE OUTER MAGNETIC MEMBER AND HAVING A DISTINCT CONTACT AREA NORMALLY SPACED FROM THE INNER MAGNETIC MEMBER, SAID INNER MAGNETIC MEMBER BEING FORMED AS A TUBE HAVING AN OPEN END, THE DIAPHRAGM AND THE OPEN END OF THE INNER MAGNETIC MEMBER CONSTITUTING THE CONTACTS OF THE RELAY AND BEING CAPABLE OF BEING BROUGHT INTO CONTACT WITH EACH OTHER BY THE ENERGIZATION OF A MAGNETIC CIRCUIT THAT INCLUDES THE SAID TWO MAGNETIC MEMBERS AND THE DIAPHRAGM.
Claim 2
Dependent Claim
115 words
AN ELECTROMAGNETIC CONTACT-MAKING RELAY INCLUDING AN OUTER MAGNETIC MEMBER, AN INNER MAGNETIC MEMBER PASSING THROUGH AN APERTURE IN THE OUTER MAGNETIC MEMBER AND ELECTRICALLY AND MAGNETICALLY INSULATING THEREFROM, AND A RESILIENT DIAPHRAGM OF MAGNETIC MATERIAL SECURED AT ITS PERIPHERY TO THE OUTER MAGNETIC MEMBER AND HAVING A DISTINCT CONTACT AREA NORMALLY SPACED FROM THE INNER MAGNETIC MEMBER, SAID INNER MAGNETIC MEMBER BEING FORMED AS A TUBE HAVING AN OPEN END, THE DIAPHRAGM AND THE OPEN END OF THE INNER MAGNETIC MEMBER CONSTITUTING THE CONTACTS OF THE RELAY AND BEING CAPABLE OF BEING BROUGHT INTO CONTACT WITH EACH OTHER BY THE ENERGIZATION OF A MAGNETIC CIRCUIT THAT INCLUDES THE SAID TWO MAGNETIC MEMBERS AND THE DIAPHRAGM.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |