US3196236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High power vacuum circuit breaker contacts and arc-extinguishing means therefor
Assignee: Jennings Radio Manufacturing Corp
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Filing: 1962-07-16
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Granted: 1965-07-20
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Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jennings Jo Emmett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:00
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/60; H01H33/66; H01H33/662; H01H33/66238; H01H33/664; H01H33/6644; H01H2033/66246
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A VACUUM SWITCH WHICH INCLUDES A VACUUMIZED ENVELOPE HAVING FIXED AND MOBILE CONTACT STRUCTURES THEREIN OPERABLE TO SELECTIVELY FORM A GAP THEREBETWEEN, ARC BLOW-OUT MEANS COMPRISING: A FIXED CONTACT STRUCTURE INCLUDING A CONTACT SUPPORT PORTION AND A CONTACT PLATE PORTION, AN INSULATING SPACER FORMING PART OF SAID FIXED CONTACT STRUCTURE AND INTERPOSED BETWEEN SAID CONTACT SUPPORT PORTION AND SAID CONTACT PLATE PORTION, A LOOP OF CONDUCTING MATERIAL WITHIN THE ENVELOPE CONNECTED AT ITS OPPOSITE ENDS TO SAID CONTACT SUPPORT PORTION AND SAID CONTACT PLATE PORTION IN SERIES CIRCUIT THEREWITH TO CAUSE CURRENT FLOWING THROUGH SAID FIXED CONTACT STRUCTURE TO FLOW THROUGH SAID LOOP AN INTERMEDIATE PORTION OF WHICH EXTENDS ACROSS SAID
Claim 2
Dependent Claim
112 words
IN A VACUUM SWITCH WHICH INCLUDES A VACUUMIZED ENVELOPE HAVING FIXED AND MOBILE CONTACT STRUCTURES THEREIN OPERABLE TO SELECTIVELY FORM A GAP THEREBETWEEN, ARC BLOW-OUT MEANS COMPRISING: A FIXED CONTACT STRUCTURE INCLUDING A CONTACT SUPPORT PORTION AND A CONTACT PLATE PORTION, AN INSULATING SPACER FORMING PART OF SAID FIXED CONTACT STRUCTURE AND INTERPOSED BETWEEN SAID CONTACT SUPPORT PORTION AND SAID CONTACT PLATE PORTION, A LOOP OF CONDUCTING MATERIAL WITHIN THE ENVELOPE CONNECTED AT ITS OPPOSITE ENDS TO SAID CONTACT SUPPORT PORTION AND SAID CONTACT PLATE PORTION IN SERIES CIRCUIT THEREWITH TO CAUSE CURRENT FLOWING THROUGH SAID FIXED CONTACT STRUCTURE TO FLOW THROUGH SAID LOOP AN INTERMEDIATE PORTION OF WHICH EXTENDS ACROSS SAID
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |