US3169172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single pole progressive switch for electrical circuits
Assignee: Carlingswitch Inc
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Filing: 1961-07-13
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Granted: 1965-02-09
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Expires: 1981-07-13
Abstract
No abstract record available.
Inventors
- 👤 Hugo E Hagberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:46
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/12; H01H23/16; H01H23/168
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A PROGRESSIVE SWITCH COMPRISING A CASE, FIRST AND SECOND SPACED APART CIRCUIT ELEMENTS IN SAID CASE, A THIRD CIRCUIT ELEMENT IN SAID CASE POSITIONED INTERMEDIATE SAID FIRST AND SECOND ELEMENTS, AN ELECTRICALLY CONDUCTIVE YOKE IN SAID CASE CONNECTED TO SAID FIRST CIRCUIT ELEMENT, SAID YOKE EXTENDING INTO THE REGION OF BUT SPACED APART FROM SAID THIRD CIRCUIT ELEMENT, A FIRST ELECTRICALLY CONDUCTIVE CIRCUIT LEVER, A SECOND ELECTRICALLY CONDUCTIVE CIRCUIT LEVER, BOTH OF SAID LEVERS BEING PIVOTALLY MOUNTED ON SAID YOKE, AND MEANS FOR PIVOTALLY MOVING SAID FIRST AND SECOND LEVERS, SAID FIRST LEVER BEING MOVABLE INTO A POSITION TO MAKE ELECTRICAL CONNECTION WITH SAID THIRD CIRCUIT ELEMENT, SAID SECOND LEVER BEING MOVABLE INTO A POSITION TO MAKE ELECTRICAL CONNECTION WITH SAID SECOND ELEMENT.
Claim 2
Dependent Claim
123 words
A PROGRESSIVE SWITCH COMPRISING A CASE, FIRST AND SECOND SPACED APART CIRCUIT ELEMENTS IN SAID CASE, A THIRD CIRCUIT ELEMENT IN SAID CASE POSITIONED INTERMEDIATE SAID FIRST AND SECOND ELEMENTS, AN ELECTRICALLY CONDUCTIVE YOKE IN SAID CASE CONNECTED TO SAID FIRST CIRCUIT ELEMENT, SAID YOKE EXTENDING INTO THE REGION OF BUT SPACED APART FROM SAID THIRD CIRCUIT ELEMENT, A FIRST ELECTRICALLY CONDUCTIVE CIRCUIT LEVER, A SECOND ELECTRICALLY CONDUCTIVE CIRCUIT LEVER, BOTH OF SAID LEVERS BEING PIVOTALLY MOUNTED ON SAID YOKE, AND MEANS FOR PIVOTALLY MOVING SAID FIRST AND SECOND LEVERS, SAID FIRST LEVER BEING MOVABLE INTO A POSITION TO MAKE ELECTRICAL CONNECTION WITH SAID THIRD CIRCUIT ELEMENT, SAID SECOND LEVER BEING MOVABLE INTO A POSITION TO MAKE ELECTRICAL CONNECTION WITH SAID SECOND ELEMENT.
References Cited (Backward Citations)
FR1108438A
Cited
US3031547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |