US3408466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupter with locking provision
Assignee: Westinghouse Electric Corp
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Filing: 1964-12-10
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Granted: 1968-10-29
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Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Douglas W Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:59
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/28; H01H9/281; H01H9/282
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
A CIRCUIT CONTROLLING DEVICE COMPRISING A MOLDEDCASE TYPE CIRCUIT INTERRUPTER, SAID CIRCUIT INTERRUPTER COMPRISING AN INSULATING HOUSING HAVING A GENERALLY PLANAR FRONT HAVING AN OPENING THEREIN, A PAIR OF CONTACTS SUPPORTED WITHIN SAID HOUSING, A HANDLE PROTRUDING OUT THROUGH SAID OPENING AND BEING PIVOTALLY MOVABLE ALONG A PLANE GENERALLY NORMAL TO THE PLANE OF SAID GENERALLY PLANAR FRONT, SAID HANDLE BEING PIVOTALLY MOVABLE BETWEEN TWO DIFFERENT POSITIONS TO OPEN AND CLOSE SAID CONTACTS, A LOCKING DEVICE MOUNTED ON SAID HANDLE AND BEING MOVABLE WITH SAID HANDLE BETWEEN SAID TWO POSITIONS, WHEN SAID HANDLE IS IN ONE OF SAID POSITIONS SAID LOCKING DEVICE BEING MOVABLE ON SAID HANDLE TO A LOCKING POSITION TO PREVENT MOVEMENT OF SAID HANDLE TO THE OTHER OF SAID POSITIONS, AND SAID CIRCUIT INTERRUPTER AND SAID LOCKING DEVICE BEING CONSTRUCTED AND ARRANGED SUCH THAT WHEN SAID HANDLE IS IN SAID ONE POSITION AND SAID LOCKING DEVICE IS IN SAID LOCKING POSITION THE HASP OF A PADLOCK CAN BE CAPTURED IN PLACE BETWEEN SAID LOCKING DEVICE AND SAID CIRCUIT INTERRUPTER SUCH THAT WHEN SAID PADLOCK IS LOCKED SAID HASP, SAID LOCKING DEVICE AND SAID CIRCUIT INTERRUPTER WILL INTERENGAGE TO PREVENT MOVEMENT OF SAID LOCKING DEVICE OUT OF SAID LOCKING POSITION AND TO PREVENT REMOVAL OF SAID LOCKED PADLOCK.
Claim 2
Dependent Claim
210 words
A CIRCUIT CONTROLLING DEVICE COMPRISING A MOLDEDCASE TYPE CIRCUIT INTERRUPTER, SAID CIRCUIT INTERRUPTER COMPRISING AN INSULATING HOUSING HAVING A GENERALLY PLANAR FRONT HAVING AN OPENING THEREIN, A PAIR OF CONTACTS SUPPORTED WITHIN SAID HOUSING, A HANDLE PROTRUDING OUT THROUGH SAID OPENING AND BEING PIVOTALLY MOVABLE ALONG A PLANE GENERALLY NORMAL TO THE PLANE OF SAID GENERALLY PLANAR FRONT, SAID HANDLE BEING PIVOTALLY MOVABLE BETWEEN TWO DIFFERENT POSITIONS TO OPEN AND CLOSE SAID CONTACTS, A LOCKING DEVICE MOUNTED ON SAID HANDLE AND BEING MOVABLE WITH SAID HANDLE BETWEEN SAID TWO POSITIONS, WHEN SAID HANDLE IS IN ONE OF SAID POSITIONS SAID LOCKING DEVICE BEING MOVABLE ON SAID HANDLE TO A LOCKING POSITION TO PREVENT MOVEMENT OF SAID HANDLE TO THE OTHER OF SAID POSITIONS, AND SAID CIRCUIT INTERRUPTER AND SAID LOCKING DEVICE BEING CONSTRUCTED AND ARRANGED SUCH THAT WHEN SAID HANDLE IS IN SAID ONE POSITION AND SAID LOCKING DEVICE IS IN SAID LOCKING POSITION THE HASP OF A PADLOCK CAN BE CAPTURED IN PLACE BETWEEN SAID LOCKING DEVICE AND SAID CIRCUIT INTERRUPTER SUCH THAT WHEN SAID PADLOCK IS LOCKED SAID HASP, SAID LOCKING DEVICE AND SAID CIRCUIT INTERRUPTER WILL INTERENGAGE TO PREVENT MOVEMENT OF SAID LOCKING DEVICE OUT OF SAID LOCKING POSITION AND TO PREVENT REMOVAL OF SAID LOCKED PADLOCK.
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) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |