US2977516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dielectric composition and use thereof in an electrical capacitor
Assignee: Monsanto Chemicals Ltd
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Filing: 1958-09-08
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Granted: 1961-03-28
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Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Harold I Weingarten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:59
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; H01G4/221; H01G4/222; C; C07; C07C; C07C17/00; C07C17/26; C07C17/263; H01B; H01B3/00; H01B3/18; H01B3/20; H01B3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A DIELECTRIC COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF HALOGENATED BIPHENYLS WHEREIN THE 2,3,2''-AND 3,4,2''-POSITIONS ARE OCCUPIED BY HALOGEN ATOMS HAVING AN ATOMIC NUMBER UP TO 53.
Claim 2
Dependent Claim
27 words
A DIELECTRIC COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF HALOGENATED BIPHENYLS WHEREIN THE 2,3,2''-AND 3,4,2''-POSITIONS ARE OCCUPIED BY HALOGEN ATOMS HAVING AN ATOMIC NUMBER UP TO 53.
References Cited (Backward Citations)
US1836180A
Cited
US2070268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |