US3142734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic structure for reed relays
Assignee: International Standard Electric Corp
•
Filing: 1962-08-31
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Granted: 1964-07-28
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Bianco Bruno Dal
- 👤 Scata Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:23
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2209
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN EXTERNAL MAGNETIC CIRCUIT FOR RELAYS HAVING ELECTRICAL CONTACTS OF MAGNETIC MATERIAL SEALED IN PROTECTIVE ENVELOPES WITH A PORTION OF EACH CONTACT EXTENDING OUT OF THE SAME END OF SAID ENVELOPE, SAID CIRCUIT COMPRISING A U-SHAPED STRUCTURE OF HIGH PERMEABLE MAGNETIC MATERIAL DEFINING A MAGNETIC CORE SECTION HAVING FIRST AND SECOND SALIENT POLE PIECES, A FLUX GENERATING WINDING MOUNTED ON SAID CORE SECTION FOR GENERATING A MAGNETIC FLUX TO OPERATE SAID CONTACTS IN RESPONSE TO MAGNETIC ATTRACTION THEREBETWEEN, ONE OF SAID POLE PIECES COMPRISING A SUPPORT PORTION FOR ONE END OF SAID ENVELOPE INDEPENDENTLY OF ANY SAID CONTACT EXTENSION AND THE OTHER OF SAID POLE PIECES COMPRISING A SUPPORT PORTION FOR THE OTHER END OF SAID ENVELOPE, THE LAST-SAID PORTION ELECTRICALLY AND MAGNETICALLY CONTACTING ONE ONLY OF SAID RELAY CONTACT EXTENSIONS.
Claim 2
Dependent Claim
131 words
AN EXTERNAL MAGNETIC CIRCUIT FOR RELAYS HAVING ELECTRICAL CONTACTS OF MAGNETIC MATERIAL SEALED IN PROTECTIVE ENVELOPES WITH A PORTION OF EACH CONTACT EXTENDING OUT OF THE SAME END OF SAID ENVELOPE, SAID CIRCUIT COMPRISING A U-SHAPED STRUCTURE OF HIGH PERMEABLE MAGNETIC MATERIAL DEFINING A MAGNETIC CORE SECTION HAVING FIRST AND SECOND SALIENT POLE PIECES, A FLUX GENERATING WINDING MOUNTED ON SAID CORE SECTION FOR GENERATING A MAGNETIC FLUX TO OPERATE SAID CONTACTS IN RESPONSE TO MAGNETIC ATTRACTION THEREBETWEEN, ONE OF SAID POLE PIECES COMPRISING A SUPPORT PORTION FOR ONE END OF SAID ENVELOPE INDEPENDENTLY OF ANY SAID CONTACT EXTENSION AND THE OTHER OF SAID POLE PIECES COMPRISING A SUPPORT PORTION FOR THE OTHER END OF SAID ENVELOPE, THE LAST-SAID PORTION ELECTRICALLY AND MAGNETICALLY CONTACTING ONE ONLY OF SAID RELAY CONTACT EXTENSIONS.
References Cited (Backward Citations)
US1967948A
Cited
US2317695A
Cited
US3008019A
Cited
US2963545A
Cited
US3005072A
Cited
US3046370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |