Patent US3174000A successfully refreshed from Google Patents.
US3174000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc resistant switch
Assignee: Oak Manufacturing Co
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Filing: 1962-09-19
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Granted: 1965-03-16
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Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Golbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:40
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN AN ELECTRIC SWITCH FOR CONTROLLING ARCING DURING OPERATION OF THE SWITCH: A NON-CONDCTIVE BASE; A PLURALITY OF PAIRS OF CONTACTS DISPOSED IN A PATH; ELECTRICAL CONDUCTIVE MEANS, ONE CONNECTED WITH THE CONTACTS OF EACH PAIR OF CONTACTS; MEANS MOUNTING THE PAIRS OF CONTACTS ON SAID BASE; A NON-CONDUCTIVE MEMBER MOVABLE ALONG SAID PATH, WITH A HIGH CONDUCTIVE CONTACT AND A HIGH ARC RESISTANT CONTACT MOUNTED ON SAID MEMBER, SAID HIGH ARC RESISTANT CONTACT BEING LONGER SAID PATH THAN SAID HIGH CONDUCTIVE CONTACT, AND ELECTRICAL CONDUCTIVE MEANS CONNECTED WITH THE MEMBER CONTACTS WHEREBY THE MEMBER CONTACTS SELECTIVELY ENGAGE SAID PAIRS OF CONTACTS UPON MOVEMENT OF SAID MEMBER ALONG SAID PATH WITH SAID HIGH CONDUCTIVE CONTACT ENGAGING ONE CONTACT OF THE
Claim 2
Dependent Claim
120 words
IN AN ELECTRIC SWITCH FOR CONTROLLING ARCING DURING OPERATION OF THE SWITCH: A NON-CONDCTIVE BASE; A PLURALITY OF PAIRS OF CONTACTS DISPOSED IN A PATH; ELECTRICAL CONDUCTIVE MEANS, ONE CONNECTED WITH THE CONTACTS OF EACH PAIR OF CONTACTS; MEANS MOUNTING THE PAIRS OF CONTACTS ON SAID BASE; A NON-CONDUCTIVE MEMBER MOVABLE ALONG SAID PATH, WITH A HIGH CONDUCTIVE CONTACT AND A HIGH ARC RESISTANT CONTACT MOUNTED ON SAID MEMBER, SAID HIGH ARC RESISTANT CONTACT BEING LONGER SAID PATH THAN SAID HIGH CONDUCTIVE CONTACT, AND ELECTRICAL CONDUCTIVE MEANS CONNECTED WITH THE MEMBER CONTACTS WHEREBY THE MEMBER CONTACTS SELECTIVELY ENGAGE SAID PAIRS OF CONTACTS UPON MOVEMENT OF SAID MEMBER ALONG SAID PATH WITH SAID HIGH CONDUCTIVE CONTACT ENGAGING ONE CONTACT OF THE
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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) | 1968-03-15 | 1968-09-14 | 1969-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-15 | 1972-09-14 | 1973-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-15 | 1976-09-14 | 1977-03-16 | $7700.00 | Window Closed / Lapsed |