Patent US3351790A successfully refreshed from Google Patents.
US3351790A
Expired / Lapsed
US
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Resettable overload switch device for use in an electrical inductive apparatus
Assignee: General Electric Co
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Filing: 1966-11-21
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Granted: 1967-11-07
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Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Clovis E Linkous
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:52
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/64; H01H37/70; H02; H02K; H02K11/00; H02K11/20; H02K11/25; H02K17/00; H02K17/02; H02K17/30; H01H37/04; H01H37/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
FOR USE IN A SINGLE WINDING CONTROL UNIT OF A DYNAMOELECTRIC MACHINE HAVING A SUPPORT, THE ARRANGEMENT INCLUDING AN OVERLOAD SWITCH CARRIED BY THE SUPPORT COMPRISING A PAIR OF NORMALLY CLOSED CONTACTS, AND AN INSULATOR POST TURNABLY MOUNTED BY THE SUPPORT ADJACENT SAID CONTACTS, SAID POST INCLUDING AN ELECTRICALLY INSULATED WEDGE HAVING AN ORIGINAL POSITION OUTWARDLY OF THE CONTACTS, SPRING MEANS CONNECTED TO SAID POST BIASING SAID WEDGE AGAINST SAID CONTACTS IN THE ORIGINAL POSITION WHEN SAID CONTACTS ARE CLOSED, SAID CONTACTS HAVING MEANS RESPONSIVE TO THE OPERATION OF THE MACHINE TO OPEN THEM, SAID SPRING MEANS TURNING SAID WEDGE BETWEEN THE CONTACTS WHEN THE CONTACTS ARE OPENED, MEANS RETAINING SAID WEDGE BETWEEN SAID CONTACTS, AND ROTATABLE MEANS FOR RETURNING SAID WEDGE TO ITS ORIGINAL POSITION.
Claim 2
Dependent Claim
126 words
FOR USE IN A SINGLE WINDING CONTROL UNIT OF A DYNAMOELECTRIC MACHINE HAVING A SUPPORT, THE ARRANGEMENT INCLUDING AN OVERLOAD SWITCH CARRIED BY THE SUPPORT COMPRISING A PAIR OF NORMALLY CLOSED CONTACTS, AND AN INSULATOR POST TURNABLY MOUNTED BY THE SUPPORT ADJACENT SAID CONTACTS, SAID POST INCLUDING AN ELECTRICALLY INSULATED WEDGE HAVING AN ORIGINAL POSITION OUTWARDLY OF THE CONTACTS, SPRING MEANS CONNECTED TO SAID POST BIASING SAID WEDGE AGAINST SAID CONTACTS IN THE ORIGINAL POSITION WHEN SAID CONTACTS ARE CLOSED, SAID CONTACTS HAVING MEANS RESPONSIVE TO THE OPERATION OF THE MACHINE TO OPEN THEM, SAID SPRING MEANS TURNING SAID WEDGE BETWEEN THE CONTACTS WHEN THE CONTACTS ARE OPENED, MEANS RETAINING SAID WEDGE BETWEEN SAID CONTACTS, AND ROTATABLE MEANS FOR RETURNING SAID WEDGE TO ITS ORIGINAL POSITION.
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |