US2788327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric compositions
Assignee: Sprague Electric Co
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Filing: 1955-10-13
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Granted: 1957-04-09
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Expires: 1975-10-13
Abstract
No abstract record available.
Inventors
- 👤 Sidney D Ross
- 👤 William M Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:46
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/20; H01B3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A NEW AND IMPROVED DIELECTRIC COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID CHLORINATED AROMATIC HYDROCARBON ADMIXED WITH ABOUT 10% BY WEIGHT OF TETRA 2-ETHYLHEXYL ORTHOSILICATE.
Claim 2
Dependent Claim
24 words
A NEW AND IMPROVED DIELECTRIC COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID CHLORINATED AROMATIC HYDROCARBON ADMIXED WITH ABOUT 10% BY WEIGHT OF TETRA 2-ETHYLHEXYL ORTHOSILICATE.
References Cited (Backward Citations)
US2582200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |