US2924636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass component for electrical apparatus
Assignee: General Electric Co
•
Filing: 1956-10-24
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Granted: 1960-02-09
•
Expires: 1976-10-24
Abstract
No abstract record available.
Inventors
- 👤 Edward J Broderick
- 👤 William J Morrissey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:15
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/34; H01F; H01F27/00; H01F27/02; H01F27/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
AN INSULATING BUSHING FOR ELECTRICAL APPARATUS COMPRISING A HOLLOW GLASS MEMBER ADAPTED TO CONTAIN AN INSULATING LIQUID, AND BEING CHARACTERIZED BY HIGH WEATHER RESISTANCE AND LOW THERMAL EXPANSION PROPERTIES WHILE PROVIDING FOR VISUAL OBSERVATION THERETHROUGH AND BLOCKING PASSAGE OF LIGHT OF WAVELENGTHS LESS THAN 400 MILLIMICRONS, SAID GLASS HAVING THE FOLLOWING RANGE OF COMPOSITION IN PERCENT BY WEIGHT: THE RATIO OF CERIC OXIDE TO TITANIUM DIOXIDE BEING AT LEAST ABOUT 2 TO 1.
References Cited (Backward Citations)
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US1968854A
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US2021244A
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US2028589A
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US2444976A
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US2683666A
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US2739901A
Cited
US2860059A
Cited
US2846325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |