Patent US4608012A successfully refreshed from Google Patents.
Patent US3213403A successfully refreshed from Google Patents.
US3213403A
Expired / Lapsed
US
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Plug-in bus duct
Assignee: ITE Circuit Breaker Co
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Filing: 1961-03-24
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Granted: 1965-10-19
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 John A Hermann
- 👤 John B Cataldo
- 👤 Russell S Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:38
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; H02G5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A BUS DUCT SECTION COMPRISING AN ELONGATED HOUSING, A PLURALITY OF SPACED BUS BARS WITHIN SAID HOUSING EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF THE HOUSING, SAID HOUSING HAVING A PLURALITY OF OPENINGS IN A FIRST WALL THEREOF, AN INSULATOR BLOCK FOR EAACH OF SAID OPENINGS DISPOSED WITHIN SAID HOUSING IN ALIGNMENT WITH ONE OF SAID OPENINGS, EACH OF SAID BLOCKS HAVING A PLURALITY OF APERTURES THEREIN THROUGH WHICH PLUG-IN UNUT CONTACT FINGERS ARE IONSERTABLE TO ENGAGE SAID BUS BARS; SPLICE PLATES SLIDINGLY MOUNTED ON SAID HOUSING NEAR AN END THEREOF BY COOPERATING PIN AND CLOSED-ENDED ELONGATED SLOT MEANS EACH OF SAID SPLICE PLATES CARRYING PIN MEANS ADAPTED TO BE ENTERED INTO LOCATING APERTURES OF SAID HOUSING AND A HOUSING OF AN ADJACENT DUCT SECTION; EACH OF SAID SPLICE PLATES HVING ANOTHER CLOSED-ENDED ELONGATED SLOT FOR COOPERATING WITH PIN MEANS OF AN ADJACENT DUCT SECTION HOUSING FOR OPERATIVELY CONNECTING ADJACENT BUS SECTION.
Claim 2
Dependent Claim
152 words
A BUS DUCT SECTION COMPRISING AN ELONGATED HOUSING, A PLURALITY OF SPACED BUS BARS WITHIN SAID HOUSING EXTENDING PARALLEL TO THE LONGITUDINAL AXIS OF THE HOUSING, SAID HOUSING HAVING A PLURALITY OF OPENINGS IN A FIRST WALL THEREOF, AN INSULATOR BLOCK FOR EAACH OF SAID OPENINGS DISPOSED WITHIN SAID HOUSING IN ALIGNMENT WITH ONE OF SAID OPENINGS, EACH OF SAID BLOCKS HAVING A PLURALITY OF APERTURES THEREIN THROUGH WHICH PLUG-IN UNUT CONTACT FINGERS ARE IONSERTABLE TO ENGAGE SAID BUS BARS; SPLICE PLATES SLIDINGLY MOUNTED ON SAID HOUSING NEAR AN END THEREOF BY COOPERATING PIN AND CLOSED-ENDED ELONGATED SLOT MEANS EACH OF SAID SPLICE PLATES CARRYING PIN MEANS ADAPTED TO BE ENTERED INTO LOCATING APERTURES OF SAID HOUSING AND A HOUSING OF AN ADJACENT DUCT SECTION; EACH OF SAID SPLICE PLATES HVING ANOTHER CLOSED-ENDED ELONGATED SLOT FOR COOPERATING WITH PIN MEANS OF AN ADJACENT DUCT SECTION HOUSING FOR OPERATIVELY CONNECTING ADJACENT BUS SECTION.
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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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |