US3273022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical load distribution service centre
Assignee: Federal Pioneer Ltd
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Filing: 1963-08-05
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Granted: 1966-09-13
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Charles E Mcroberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:18
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/20; H02; H02B; H02B1/00; H02B1/26; H02B1/50; H01H2085/2075; H02B1/015; H02B1/04; H02B1/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
386 words
AN ELECTRICAL LOAD DISTRIBUTION SERVICE CENTRE COMPRISING A HOUSING INCLUDING A REMOVABLE PANEL WITH AT LEAST ONE OPENING THEREIN, A NEUTRAL BUSHAR AND FIRST AND SECOND OTHER BUSBARS ALL ELECTRICALLY INSULATED FROM EACH OTHER AND POSITIONED IN SAID HOUSING BEHIND SAID PANEL, AT LEAST ONE PLUG-IN RECEPTACLE ADAPTED TO HOLD THEREIN TWO SCREW-IN OVERCURRENT DEVICES THREADABLY ENGAGED WITHIN SAID ONE RECEPTACLE, SAID RECEPTACLE HAVING TWO FIRST CONTACT MEANS AND TWO SECOND CONTACT MEANS, EACH OF SAID FIRST CONTACT MEANS BEING ADAPTED TO CONTACT A DIFFERENT ONE OF SAID FIRST SECOND BUSBARS WHEN SAID RECEPTACLE IS POSITIONED IN SAID HOUSING AND BEING ADAPTED TO CONTACT A TERMINAL OF A DIFFERENT ONE OF SAID OVERCURRENT DEVICES WHEN SAID OVERCURRENT DEVICES ARE SCREWED INTO SAID RECEPTACLE AND HELD THEREIN, EACH OF SAID SECOND CONTACT MEANS BEING ADAPTED TO CONTACT ANOTHER TERMINAL OF A DIRRERENT ONE OF SAID OVERCURRENT DEVICES WHEN SAID OVERCURRENT DEVICES ARE SCREWED INTO SAID RECEPTACLE AND HELD THEREIN, WHEREBY CIRCUITS FROM EACH OF SAID FIRST AND SECOND BUSBARS, THROUGH SAID FIRST CONTACT MEANS, AND THROUGH SAID OVERCURRENT DEVICES TO SAID SECOND CONTACT MEANS ARE ESTABLISHED WHEN SAID RECEPTACLE IS POSITIONED IN SAID HOUSING AND SAID OVERCURRENT DEVICES ARE SCREWED INTO SAID RECEPTACLE AND HELD THEREIN, AND AT LEAST TWO CONTACTS WITHIN SAID HOUSING EACH ADAPTED TO CONTACT A DIFFERENT ONE OF SAID SECOND CONTACT MEANS WHEN SAID RECEPTACLE IS POSITIONED IN SAID HOUSING, THE SIZE OF THE OPENING IN SAID PANEL BEING SUFFICIENTLY LARGE THAT SAID RECEPTACLE MAY BE PLACED IN SAID HOUSING THROUGH SAID OPENING WITHOUT REMOVAL OF SAID PANEL AND INSERTED IN SAID HOUSING TO AN EXTENT SUFFICIENT TO EFFECT CONTACT BETWEEN SAID FIRST AND SECOND BUSBARS AND SAID FIRST CONTACT MEANS, MEANS FOR PREVENTING INDEPENDENT REMOVAL OF OVERCURRENT DEVICES SCREWED INTO SAID ONE RECEPTACLE AND HELD THEREIN WHEN SAID ONE RECEPTACLE IS POSITIONED IN SAID HOUSING WITH SAID FIRST CONTACT MEANS IN CONTACT WITH SAID FIRST AND SECOND BUSBARS, SAID LAST-MENTIONED MEANS COMPRISING FLAPS MOUNTED ON SAID ONE RECEPTALCE AND CLOSABLE OVER OVERCURRENT DEVICES SCREWED INTO SAID ONE RECEPTACLE AND HELD THEREIN, AND MEANS RETAINING SAID FLAPS IN CLOSED POSITION OVER OVERCURRENT DEVICES SCREWED INTO SAID ONE RECEPTACLE AND HELD THEREIN WHEN SAID ONE RECEPTACLE IS POSITIONED IN SAID HOUSING WITH SAID FIRST CONTACT MEANS IN CONTACT WITH SAID FIRST AND SECOND BUSBARS.
Claim 2
Dependent Claim
386 words
AN ELECTRICAL LOAD DISTRIBUTION SERVICE CENTRE COMPRISING A HOUSING INCLUDING A REMOVABLE PANEL WITH AT LEAST ONE OPENING THEREIN, A NEUTRAL BUSHAR AND FIRST AND SECOND OTHER BUSBARS ALL ELECTRICALLY INSULATED FROM EACH OTHER AND POSITIONED IN SAID HOUSING BEHIND SAID PANEL, AT LEAST ONE PLUG-IN RECEPTACLE ADAPTED TO HOLD THEREIN TWO SCREW-IN OVERCURRENT DEVICES THREADABLY ENGAGED WITHIN SAID ONE RECEPTACLE, SAID RECEPTACLE HAVING TWO FIRST CONTACT MEANS AND TWO SECOND CONTACT MEANS, EACH OF SAID FIRST CONTACT MEANS BEING ADAPTED TO CONTACT A DIFFERENT ONE OF SAID FIRST SECOND BUSBARS WHEN SAID RECEPTACLE IS POSITIONED IN SAID HOUSING AND BEING ADAPTED TO CONTACT A TERMINAL OF A DIFFERENT ONE OF SAID OVERCURRENT DEVICES WHEN SAID OVERCURRENT DEVICES ARE SCREWED INTO SAID RECEPTACLE AND HELD THEREIN, EACH OF SAID SECOND CONTACT MEANS BEING ADAPTED TO CONTACT ANOTHER TERMINAL OF A DIRRERENT ONE OF SAID OVERCURRENT DEVICES WHEN SAID OVERCURRENT DEVICES ARE SCREWED INTO SAID RECEPTACLE AND HELD THEREIN, WHEREBY CIRCUITS FROM EACH OF SAID FIRST AND SECOND BUSBARS, THROUGH SAID FIRST CONTACT MEANS, AND THROUGH SAID OVERCURRENT DEVICES TO SAID SECOND CONTACT MEANS ARE ESTABLISHED WHEN SAID RECEPTACLE IS POSITIONED IN SAID HOUSING AND SAID OVERCURRENT DEVICES ARE SCREWED INTO SAID RECEPTACLE AND HELD THEREIN, AND AT LEAST TWO CONTACTS WITHIN SAID HOUSING EACH ADAPTED TO CONTACT A DIFFERENT ONE OF SAID SECOND CONTACT MEANS WHEN SAID RECEPTACLE IS POSITIONED IN SAID HOUSING, THE SIZE OF THE OPENING IN SAID PANEL BEING SUFFICIENTLY LARGE THAT SAID RECEPTACLE MAY BE PLACED IN SAID HOUSING THROUGH SAID OPENING WITHOUT REMOVAL OF SAID PANEL AND INSERTED IN SAID HOUSING TO AN EXTENT SUFFICIENT TO EFFECT CONTACT BETWEEN SAID FIRST AND SECOND BUSBARS AND SAID FIRST CONTACT MEANS, MEANS FOR PREVENTING INDEPENDENT REMOVAL OF OVERCURRENT DEVICES SCREWED INTO SAID ONE RECEPTACLE AND HELD THEREIN WHEN SAID ONE RECEPTACLE IS POSITIONED IN SAID HOUSING WITH SAID FIRST CONTACT MEANS IN CONTACT WITH SAID FIRST AND SECOND BUSBARS, SAID LAST-MENTIONED MEANS COMPRISING FLAPS MOUNTED ON SAID ONE RECEPTALCE AND CLOSABLE OVER OVERCURRENT DEVICES SCREWED INTO SAID ONE RECEPTACLE AND HELD THEREIN, AND MEANS RETAINING SAID FLAPS IN CLOSED POSITION OVER OVERCURRENT DEVICES SCREWED INTO SAID ONE RECEPTACLE AND HELD THEREIN WHEN SAID ONE RECEPTACLE IS POSITIONED IN SAID HOUSING WITH SAID FIRST CONTACT MEANS IN CONTACT WITH SAID FIRST AND SECOND BUSBARS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |