US3230331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupter construction with improved condenser
Assignee: S&C Electric Co
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Filing: 1965-04-26
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Granted: 1966-01-18
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Expires: 1985-04-26
Abstract
No abstract record available.
Inventors
- 👤 Sigurd I Lindell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:28
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/57; H01H33/70; H01H33/76; H01H33/77; H01H85/00; H01H85/02; H01H85/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A CIRCUIT INTERRUPTER, IN COMBINATION, MEANS FOR ESTABLISHING AN ARC IN AN ARCING PASSAGEWAY DIRECTLY COMMUNICATING WITH A DISCHARGE PASSAGEWAY OF LARGER CROSS SECTIONAL AREA FOR UNRESTRICTED FLOW THEREFROM OF CONDENSABLE GAS AT HIGH TEMPERATURE AND PRESSURE, AN ELONGATED CYLINDRICAL SHELL JOINED TO SAID ARC ESTABLISHING MEANS AND PROVIDING A CYLINDRICAL CHAMBER FOR RECEIVING SAID GAS AT ONE END, A CLOSURE AT THE OTHER END OF SAID CHAMBER, A FRIST ANNULAR SECTION OF HIGH HEAT CONDUCTIVITY RELATIVELY RIGID WIRE SCREEN AT SAID ONE END OF SAID CHAMBER WITH ITS OUTER PERIPHERY ENGAGING THE INNER SURFACE THEREOF AND SUBSTANTIALLY FILLING THE SAME, SAID FIRST ANNULAR SECTION BEING RETICULATED LENGTHWISE AND TRANSVERSELY OF SAID CHAMBER AND ITS INNER PERIPHERY DEFINING A RELATIVELY LARGE PASSAGEWAY THE CROSS SECTIONAL AREA OF WHICH IS GREATER THAN THE CROSS SECTIONAL AREA OF SAID DISCHARGE PASSAGEWAY, A SECOND ANNULAR SECTION OF HIGH HEAT CONDUCTIVITY RELA-
Claim 2
Dependent Claim
149 words
IN A CIRCUIT INTERRUPTER, IN COMBINATION, MEANS FOR ESTABLISHING AN ARC IN AN ARCING PASSAGEWAY DIRECTLY COMMUNICATING WITH A DISCHARGE PASSAGEWAY OF LARGER CROSS SECTIONAL AREA FOR UNRESTRICTED FLOW THEREFROM OF CONDENSABLE GAS AT HIGH TEMPERATURE AND PRESSURE, AN ELONGATED CYLINDRICAL SHELL JOINED TO SAID ARC ESTABLISHING MEANS AND PROVIDING A CYLINDRICAL CHAMBER FOR RECEIVING SAID GAS AT ONE END, A CLOSURE AT THE OTHER END OF SAID CHAMBER, A FRIST ANNULAR SECTION OF HIGH HEAT CONDUCTIVITY RELATIVELY RIGID WIRE SCREEN AT SAID ONE END OF SAID CHAMBER WITH ITS OUTER PERIPHERY ENGAGING THE INNER SURFACE THEREOF AND SUBSTANTIALLY FILLING THE SAME, SAID FIRST ANNULAR SECTION BEING RETICULATED LENGTHWISE AND TRANSVERSELY OF SAID CHAMBER AND ITS INNER PERIPHERY DEFINING A RELATIVELY LARGE PASSAGEWAY THE CROSS SECTIONAL AREA OF WHICH IS GREATER THAN THE CROSS SECTIONAL AREA OF SAID DISCHARGE PASSAGEWAY, A SECOND ANNULAR SECTION OF HIGH HEAT CONDUCTIVITY RELA-
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |