US3210504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extinguishing device for electrical arcs comprising a plurality of insulating plates
Assignee: Individual
•
Filing: 1961-07-03
•
Granted: 1965-10-05
•
Expires: 1981-07-03
Abstract
No abstract record available.
Inventors
- 👤 Latour Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:34
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/34; H01H9/341
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A DEVICE FOR EXTINGUISHING AN ARC DRAWN BETWEEN SEPARABLE CONTACT MEMBERS, COMPRISING A PLURALITY OF INSULATING SUPPORT PLATES MOUNTED TRANSVERSELY OF THE DIRECTION OF SEPARATION OF SAID CONTACT MEMBERS AND DEFINING AN ARC EXTINGUISHING CHAMBER, TWO SUCCESSIVE INSULATING SUPPORT PLATES DEFINING A DIVISIONAL CHAMBER, TWO CONDUCTIVE MEANS IN EACH DIVISIONAL CHAMBER, EACH CONDUCTIVE MEANS BEING ASSOCIATED WITH ONE OF THE SUCCESSIVE INSULATING SUPPORT PLATES DEFINING THE DIVISIONAL CHAMBER AND DISPOSED AT THE LOWER PORTION THEREOF, SAID TWO CONDUCTIVE MEANS EXTENDING IN THE UPWARD DIRECTION AND SPACED A DISTANCE APART FROM EACH OTHER, AND AN INTERMEDIATE INSULATING PANEL EXTENDING SUBSTANTIALLY THROUGHOUT THE WIDTH OF SAID CHAMBER AND HAVING FRONT AND REAR WALLS SPACED FROM AND PARALLEL TO SAID SUPORT PLATES MOUNTED IN SAID DIVISIONAL CHAMBER ABOVE SAID CONDUCTIVE MEANS, SAID INTERMEDIATE PANEL HAVING A PROGRESSIVELY VARYING LENGTH ALONG ITS WIDTH DEFINING A POINTED LOWER EXTREMITY DIRECTED DOWNWARDS.
Claim 2
Independent Claim
146 words
A DEVICE FOR EXTINGUISHING AN ARC DRAWN BETWEEN SEPARABLE CONTACT MEMBERS, COMPRISING A PLURALITY OF INSULATING SUPPORT PLATES MOUNTED TRANSVERSELY OF THE DIRECTION OF SEPARATION OF SAID CONTACT MEMBERS AND DEFINING AN ARC EXTINGUISHING CHAMBER, TWO SUCCESSIVE INSULATING SUPPORT PLATES DEFINING A DIVISIONAL CHAMBER, TWO CONDUCTIVE MEANS IN EACH DIVISIONAL CHAMBER, EACH CONDUCTIVE MEANS BEING ASSOCIATED WITH ONE OF THE SUCCESSIVE INSULATING SUPPORT PLATES DEFINING THE DIVISIONAL CHAMBER AND DISPOSED AT THE LOWER PORTION THEREOF, SAID TWO CONDUCTIVE MEANS EXTENDING IN THE UPWARD DIRECTION AND SPACED A DISTANCE APART FROM EACH OTHER, AND AN INTERMEDIATE INSULATING PANEL EXTENDING SUBSTANTIALLY THROUGHOUT THE WIDTH OF SAID CHAMBER AND HAVING FRONT AND REAR WALLS SPACED FROM AND PARALLEL TO SAID SUPORT PLATES MOUNTED IN SAID DIVISIONAL CHAMBER ABOVE SAID CONDUCTIVE MEANS, SAID INTERMEDIATE PANEL HAVING A PROGRESSIVELY VARYING LENGTH ALONG ITS WIDTH DEFINING A POINTED LOWER EXTREMITY DIRECTED DOWNWARDS.
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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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |