US3194766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric composition
Assignee: Progil SARL
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Filing: 1962-10-05
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Granted: 1965-07-13
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Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 Coquillion Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:58
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/20; H01G4/22; H01G4/221; H01G4/222; C; C07; C07C; C07C17/00; C07C17/38; C07C17/383; C07C25/00; C07C25/18; H01B; H01B3/00; H01B3/18; H01B3/20; H01B3/24; H01B3/48; H01B3/485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A DIELECTRIC COMPOSITION CONSTITUTED OF POLYCHLORODIPHENYLS HAVING IN THEIR MOLECULES 2 TO 4 CHLORINE ATOMS, CHARACTERIZED IN THAT IT CONTAINS, BY WEIGHT, AT LEAST 20% OF 2,4''-DICHLORODIPHENYL AND 40% TO 70% OF POLYCHLORODIPHENYLS HAVING IN THEIR MOLECULES 3 TO 4 CHLORINE ATOMS.
Claim 2
Dependent Claim
42 words
A DIELECTRIC COMPOSITION CONSTITUTED OF POLYCHLORODIPHENYLS HAVING IN THEIR MOLECULES 2 TO 4 CHLORINE ATOMS, CHARACTERIZED IN THAT IT CONTAINS, BY WEIGHT, AT LEAST 20% OF 2,4''-DICHLORODIPHENYL AND 40% TO 70% OF POLYCHLORODIPHENYLS HAVING IN THEIR MOLECULES 3 TO 4 CHLORINE ATOMS.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |