Patent US3001050A successfully refreshed from Google Patents.
US3001050A
Expired / Lapsed
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Arc interrupting device
Assignee: McGraw Edison Co
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Filing: 1959-07-02
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Granted: 1961-09-19
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Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Donald W Collier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:37
CPC Classifications
H; H01; H01H; H01H85/00; H01H85/02; H01H85/38; H01H85/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A CIRCUIT INTERRUPTING DEVICE HAVING A CONTAINER, A FUSIBLE ELEMENT DISPOSED WITHIN SAID CONTAINER AND ADAPTED TO BE CONNECTED IN AN ELECTRICAL CIRCUIT, AND A GASEOUS ARC EXTINGUISHING MEDIUM DISPOSED WITHIN SAID CONTAINER AND INCLUDING PERCHLORYL FLUORIDE.
Claim 2
Dependent Claim
37 words
A CIRCUIT INTERRUPTING DEVICE HAVING A CONTAINER, A FUSIBLE ELEMENT DISPOSED WITHIN SAID CONTAINER AND ADAPTED TO BE CONNECTED IN AN ELECTRICAL CIRCUIT, AND A GASEOUS ARC EXTINGUISHING MEDIUM DISPOSED WITHIN SAID CONTAINER AND INCLUDING PERCHLORYL FLUORIDE.
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |