Patent US3192348A successfully refreshed from Google Patents.
US3192348A
Expired / Lapsed
US
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Arc extinguishing switch structure
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1962-02-15
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Granted: 1965-06-29
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Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Gessner Karl-Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:27
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/34; H01H9/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
AN ARC EXTINGUISHING DEVICE FOR ELECTRICAL SWITCHGEAR HAVING CONTACTS OR OTHER ARC GENERATING ELEMENTS, COMPRISING A PLURALITY OF ELECTRICALLY CONDUCTING ARC EXTINGUISHING BAFFLES ARRANGED AT RIGHT ANGLES TO ARCS WHICH ARE GENERATED, AT LEAST SOME OF THE ENDS OF THE BAFFLES FACING THE PLACE WHERE THE ARC IS GENERATED BEARING PERFORATED BY AT LEAST ONE OPENING WITH AN OPENING AREA PROVIDED THEREBY BEING AVAILABLE TO THE ARC FOR PASSAGE THEREALONG, AND DECREASING IN THE DIRECTION OF MOTION OF THE ARC.
Claim 2
Dependent Claim
80 words
AN ARC EXTINGUISHING DEVICE FOR ELECTRICAL SWITCHGEAR HAVING CONTACTS OR OTHER ARC GENERATING ELEMENTS, COMPRISING A PLURALITY OF ELECTRICALLY CONDUCTING ARC EXTINGUISHING BAFFLES ARRANGED AT RIGHT ANGLES TO ARCS WHICH ARE GENERATED, AT LEAST SOME OF THE ENDS OF THE BAFFLES FACING THE PLACE WHERE THE ARC IS GENERATED BEARING PERFORATED BY AT LEAST ONE OPENING WITH AN OPENING AREA PROVIDED THEREBY BEING AVAILABLE TO THE ARC FOR PASSAGE THEREALONG, AND DECREASING IN THE DIRECTION OF MOTION OF THE ARC.
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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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |