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US3209301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plug-in bus duct
Assignee: Federal Pacific Electric Co
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Filing: 1960-09-12
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Granted: 1965-09-28
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Expires: 1980-09-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Leo Jerome Duffy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:37
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; H02G5/08; H01; H01R; H01R13/00; H01R13/44; H01R13/447; H01R13/453
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN COMBINATION, A BUS DUCT AND A PLUG-IN UNIT THEREFOR, SAID BUS DUCT INCLUDING BUS BARS FIXEDLY SUPPORTED WITHIN A SHEET METAL ENCLOSURE, SAID ENCLOSURE HAVING OPENINGS PROVIDING PLUG-IN ACCESS TO THE BUS BARS, A COVER SLIDABLE ALONG THE BUS DUCT AND MOVABLE BETWEEN A POSITION CONVERING SAID OPENING AND ANOTHER POSITION FOR AFFORDING PLUG-IN ACCESS TO SAID BARS, SPRING BIAS MEANS ACTING BETWEEN THE BUS DUCT ENCLOSURE AND THE COVER AND EFFECTIVE NORMALLY TO LOCATE THE COVER IN POSITION TO OVERLIE SAID OPENING, AND A PLUG-IN UNIT HAVING PROJECTING PLUG-IN CONTACTS AND COVER OPERATING LEVERS PIVOTALLY MOUNTED ON SAID PLUG-IN UNIT, SAID LEVERS HAVING NOTCHED COVER CONTACTING PORTIONS, SAID PLUG-IN UNIT AND SAID BUS DUCT HVING SEPARABLE PORTIONS SPACED SUBSTANTIALLY FROM SAID PLUGIN CONTACTS AND EFFECTIVE TO CONSTRAIN SAID MEMBES INTO COACTION WITH SAID COVER DURING MOVEMENT OF A PLUG-IN UNIT TOWARD THE BUS DUCT AND ABOUT SAID SEPARABLE PORTIONS FOR DRIVING SAID COVER OUT OF THE PLUG-IN PATH OF SAID PLUG-IN UNIT.
Claim 2
Dependent Claim
164 words
IN COMBINATION, A BUS DUCT AND A PLUG-IN UNIT THEREFOR, SAID BUS DUCT INCLUDING BUS BARS FIXEDLY SUPPORTED WITHIN A SHEET METAL ENCLOSURE, SAID ENCLOSURE HAVING OPENINGS PROVIDING PLUG-IN ACCESS TO THE BUS BARS, A COVER SLIDABLE ALONG THE BUS DUCT AND MOVABLE BETWEEN A POSITION CONVERING SAID OPENING AND ANOTHER POSITION FOR AFFORDING PLUG-IN ACCESS TO SAID BARS, SPRING BIAS MEANS ACTING BETWEEN THE BUS DUCT ENCLOSURE AND THE COVER AND EFFECTIVE NORMALLY TO LOCATE THE COVER IN POSITION TO OVERLIE SAID OPENING, AND A PLUG-IN UNIT HAVING PROJECTING PLUG-IN CONTACTS AND COVER OPERATING LEVERS PIVOTALLY MOUNTED ON SAID PLUG-IN UNIT, SAID LEVERS HAVING NOTCHED COVER CONTACTING PORTIONS, SAID PLUG-IN UNIT AND SAID BUS DUCT HVING SEPARABLE PORTIONS SPACED SUBSTANTIALLY FROM SAID PLUGIN CONTACTS AND EFFECTIVE TO CONSTRAIN SAID MEMBES INTO COACTION WITH SAID COVER DURING MOVEMENT OF A PLUG-IN UNIT TOWARD THE BUS DUCT AND ABOUT SAID SEPARABLE PORTIONS FOR DRIVING SAID COVER OUT OF THE PLUG-IN PATH OF SAID PLUG-IN UNIT.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |