US3709835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel compositions with controlled electrical properties
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1970-09-29
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Granted: 1973-01-09
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Expires: 1990-09-29
Abstract
Abstract SEMI-CONDUCTIVE MATERIALS SUITABLE FOR USE AS HIGH VOLTAGE INSULATORS COMPRISING A POLYMER HAVING A DIELECTRIC CONSTANT OF AT LEAST 2.0 AND A FILLER SELECTED FROM THE GROUP CONSISTING OF ELECTRICALLY CONDUCTIVE METALS AND THEIR ALLOYS, SAID FILLER HAVING A PARTICLE SIZE RANGE OF ABOUT 0.05 TO ABOUT 50 MICRONS, SAID PARTICLES HAVING A LINEAR DISTRIBUTION OF PARTICLES SIZE WITH AN AVERAGE PARTICLE SIZE OF ABOUT 1 TO ABOUT 20 MICRONS.
Inventors
- 👤 E Forster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:14
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002; H01B3/004; H01B1/00; H01B1/20; H01B1/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
26 words
05 TO ABOUT 50 MICRONS, SAID PARTICLES HAVING A LINEAR DISTRIBUTION OF PARTICLES SIZE WITH AN AVERAGE PARTICLE SIZE OF ABOUT 1 TO ABOUT 20 MICRONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |