US3197582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enclosed circuit interrupter
Assignee: Federal Pacific Electric Co
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Filing: 1962-07-30
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Granted: 1965-07-27
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Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Norden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:30
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/32; H01H3/48; H01H3/001; H01H9/00; H01H9/20; H01H9/22; H01H71/00; H01H71/10; H01H71/50; H01H71/56; H01H2071/565
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
ENCLOSED SWITCHING APPARATUS HAVING AN ELCLOSURE, A DOOR HINGEDLY MOUNTED ON SAID ENCLOSURE, SWITCHING APPARATUS MOUNTED IN SAID ENCLOSURE, DOOR CLOSED, SAID APPARAOPERABLE WITH SAID ENCLOSURE DOOR CLOSED, SAID APPARATUS INCLUDING A MOVABLE CONTACT AND A STATIONARY CONTACT, A SWITCH SHAFT PIVOTED IN SAID APPARATUS, SAID MOVABLE CONTACT BEING CARRIED BY SAID SHAFT, MANUAL OPERATING MEANS FORMING PART OF SAID SWITCHING APPARATUS AND BEING MOVABLE BETWEEN "ON" AND "OFF" POSITIONS FOR MOVING SAID SWITCH SHAFT BETWEEN OPEN AND CLOSED CONTACT POSITIONS, SAID OPERATING MEANS INCLUDING A MANUAL OPERATOR FIXED TO SAID SWITCHING APPARATUS AND OVERCENTERING SPRING MEANS OPERATIVELY CONNECTED TO SAID SHAFT, AND INTERLOCKING MEANS ENGAGEABLE WITH SAID SHAFT, SAID INTERLOCKING MEANS BEING RESPONSIVE TO THE POSITION OF SAID ENCLOSURE DOOR TO OBSTRUCT MOVEMENT OF SAID SHAFT IN THE CONTACT CLOSING DIRECTION WHEN SAID ENCLOSURE DOOR IS OPEN, SO THAT THE OPERATOR MAY BE MANIPULATED TO THE "ON" POSITION AGAINST THE BIAS OF SAID SPRING MEANS DESPITE OBSTRUCTION OF THE SWITCH SHAFT.
Claim 2
Dependent Claim
162 words
ENCLOSED SWITCHING APPARATUS HAVING AN ELCLOSURE, A DOOR HINGEDLY MOUNTED ON SAID ENCLOSURE, SWITCHING APPARATUS MOUNTED IN SAID ENCLOSURE, DOOR CLOSED, SAID APPARAOPERABLE WITH SAID ENCLOSURE DOOR CLOSED, SAID APPARATUS INCLUDING A MOVABLE CONTACT AND A STATIONARY CONTACT, A SWITCH SHAFT PIVOTED IN SAID APPARATUS, SAID MOVABLE CONTACT BEING CARRIED BY SAID SHAFT, MANUAL OPERATING MEANS FORMING PART OF SAID SWITCHING APPARATUS AND BEING MOVABLE BETWEEN "ON" AND "OFF" POSITIONS FOR MOVING SAID SWITCH SHAFT BETWEEN OPEN AND CLOSED CONTACT POSITIONS, SAID OPERATING MEANS INCLUDING A MANUAL OPERATOR FIXED TO SAID SWITCHING APPARATUS AND OVERCENTERING SPRING MEANS OPERATIVELY CONNECTED TO SAID SHAFT, AND INTERLOCKING MEANS ENGAGEABLE WITH SAID SHAFT, SAID INTERLOCKING MEANS BEING RESPONSIVE TO THE POSITION OF SAID ENCLOSURE DOOR TO OBSTRUCT MOVEMENT OF SAID SHAFT IN THE CONTACT CLOSING DIRECTION WHEN SAID ENCLOSURE DOOR IS OPEN, SO THAT THE OPERATOR MAY BE MANIPULATED TO THE "ON" POSITION AGAINST THE BIAS OF SAID SPRING MEANS DESPITE OBSTRUCTION OF THE SWITCH SHAFT.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |