US3462573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum-type circuit interrupters using gallium or gallium alloys as bridging conducting material
Assignee: Westinghouse Electric Corp
•
Filing: 1965-10-14
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Granted: 1969-08-19
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Mario Rabinowitz
- 👤 Russell E Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:04
CPC Classifications
H; H01; H01H; H01H53/00; H01H53/08; H01H29/00; H01H29/16; H01H29/20; H01H29/22; H01H33/00; H01H33/60; H01H33/66; H01H29/02; H01H29/04; H01H29/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1948687A
Cited
US2158009A
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US2247493A
Cited
US2312672A
Cited
US2890310A
Cited
US3240900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |