US3258646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fig. i prior art
Assignee: —
•
Filing: —
•
Granted: 1966-06-28
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Expires: 1983-06-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:36
CPC Classifications
H; H02; H02H; H02H9/00; H02H9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A RELAY HAVING A PAIR OF TERMINALS FOR CONNECTING SAID RELAY INTO AN ALTERNATING CURRENT OPERATING CIRCUIT, SAID RELAY COMPRISING: (A) FIRST AND SECOND WINDINGS; (B) A FIRST RECTIFIER SERIALLY CONNECTED TO SAID WINDING; (C) A SECOND RECTIFIER SERIALLY CONNECTED TO SAID SECOND WINDING AND POLED IN OPPOSITION TO SAID SAID FIRST RECTIFIER, SAID TWO WINDING-RECTIFIER COMBINATIONS CONNECTED IN PARALLEL RELATION TO EACH OTHER BETWEEN SAID TERMINALS; AND (D) RECTIFIER PROTECTIVE MEANS CONNECTED BETWEEN THE JUNCTION OF SAID FIRST WINDING AND SAID FIRST RECTIFIER AND THE JUNCTION OF SAID SECOND WINDING AND SAID SECOND RECTIFIER, SAID PROTECTIVE MEANS EFFECTIVE TO LOWER THE INVERSE VOLTAGE ACROSS A NON-CONDUCTING ONE OF SAID TWO RECTIFIER.
Claim 2
Dependent Claim
112 words
A RELAY HAVING A PAIR OF TERMINALS FOR CONNECTING SAID RELAY INTO AN ALTERNATING CURRENT OPERATING CIRCUIT, SAID RELAY COMPRISING: (A) FIRST AND SECOND WINDINGS; (B) A FIRST RECTIFIER SERIALLY CONNECTED TO SAID WINDING; (C) A SECOND RECTIFIER SERIALLY CONNECTED TO SAID SECOND WINDING AND POLED IN OPPOSITION TO SAID SAID FIRST RECTIFIER, SAID TWO WINDING-RECTIFIER COMBINATIONS CONNECTED IN PARALLEL RELATION TO EACH OTHER BETWEEN SAID TERMINALS; AND (D) RECTIFIER PROTECTIVE MEANS CONNECTED BETWEEN THE JUNCTION OF SAID FIRST WINDING AND SAID FIRST RECTIFIER AND THE JUNCTION OF SAID SECOND WINDING AND SAID SECOND RECTIFIER, SAID PROTECTIVE MEANS EFFECTIVE TO LOWER THE INVERSE VOLTAGE ACROSS A NON-CONDUCTING ONE OF SAID TWO RECTIFIER.
References Cited (Backward Citations)
US2714694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |