Patent US3128360A successfully refreshed from Google Patents.
US3128360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interrupter structure having splitter plates of malleable material
Assignee: ABB Inc USA
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Filing: 1960-01-14
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Granted: 1964-04-07
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Expires: 1980-01-14
Abstract
No abstract record available.
Inventors
- 👤 Earl B Rietz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:50
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/70; H01H33/72; H01H33/75
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
168 words
IN AN INTERRUPTING CHAMBER FOR AN OIL BLAST CIRCUIT BREAKER; A HOLLOW CYLINDRICAL CONTAINER HAVING A VENTING PORT THEREIN AND A FIRST AND SECOND ARC SPLITTER PLATE; SAID FIRST AND SECOND ARC SPLITTER PLATE BEING DISPOSED ADJACENT ONE ANOTHER AND BEING SUPPORTED WITH RESPECT TO SAID CONTAINER; SAID FIRST AND SECOND ARC SPLITTER PLATE HAVING A CONFIGURATION DEFINING A CHANNEL FROM AN INTERNAL PORTION OF SAID CONTAINER TO SAID VENTING PORT; EDGE PORTIONS OF SAID FIRST AND SECOND ARC SPLITTER PLATES BEING POSITIONED ADJACENT THE TOP AND BOTTOM RESPECTIVELY OF SAID VENTING PORT; SAID FIRST AND SECOND ARC SPLITTER PLATES BEING OF IDENTICAL CONSTRUCTION AND BEING INTERCHANGEABLE WITH RESPECT TO ONE ANOTHER; SAID FIRST AND SECOND ARC SPLITTER PLATES BEING OF A MALLEABLE MATERIAL WHEREBY SAID EDGE PORTIONS OF SAID FIRST AND SECOND ARC SPLITTER PLATES WILL FLOW OVER THE UPPER AND LOWER PORTIONS OF SAID VENTING PORT TO SEAL THE ENGAGEMENT BETWEEN SAID FIRST AND SECOND ARC SPLITTER PLATES AND THE CONTAINER PORTION CARRYING SAID VENTING PORT.
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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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |