US3356791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical insulator with serially arranged trackable and relatively track-resistant body portions
Assignee: General Electric Co
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Filing: 1966-12-22
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Granted: 1967-12-05
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Expires: 1986-12-22
Abstract
No abstract record available.
Inventors
- 👤 Edward J Mcgowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:26
CPC Classifications
H; H01; H01B; H01B17/00; H01B17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN ELECTRICAL INSULATOR COMPRISING A TRACKABLE ORGANIC DIELECTRIC MATERIAL, A RELATIVELY TRACK-RESISTANT ORGANIC DIELECTRIC MATERIAL ON AT LEAST ONE PORTION OF THE SURFACE OF THE TRACKABLE ORGANIC MATERIAL, THE SECOND MATERIAL HAVING A THICKNESS IN THE DIRECTION OF THE POTENTIAL GRADIENT EXCEEDING THE SCINTILLATION DISTANCE, THE SECOND MATERIAL CHARACTERIZED BY DEPOLYMERIZATION UPON SCINTILLATION DEGRADATION WITHOUT A SUBSTANTIAL AMOUNT OF CARBONACEOUS RESIDUE, AND BOTH OF THE MATERIALS LYING IN SERIES RELATION IN THE DIRECTION OF THE POTENTIAL GRADIENT.
Claim 2
Dependent Claim
77 words
AN ELECTRICAL INSULATOR COMPRISING A TRACKABLE ORGANIC DIELECTRIC MATERIAL, A RELATIVELY TRACK-RESISTANT ORGANIC DIELECTRIC MATERIAL ON AT LEAST ONE PORTION OF THE SURFACE OF THE TRACKABLE ORGANIC MATERIAL, THE SECOND MATERIAL HAVING A THICKNESS IN THE DIRECTION OF THE POTENTIAL GRADIENT EXCEEDING THE SCINTILLATION DISTANCE, THE SECOND MATERIAL CHARACTERIZED BY DEPOLYMERIZATION UPON SCINTILLATION DEGRADATION WITHOUT A SUBSTANTIAL AMOUNT OF CARBONACEOUS RESIDUE, AND BOTH OF THE MATERIALS LYING IN SERIES RELATION IN THE DIRECTION OF THE POTENTIAL GRADIENT.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |