US2997529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical insulating rod
Assignee: AB Chance Co
•
Filing: 1958-07-14
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Granted: 1961-08-22
•
Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Miller H Fink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:47
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/008; H01B17/00; H01B17/32; H01R; H01R11/00; H01R11/11; H01R11/12; H01R11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A SUBSTANTIALLY RIGID DIELECTRIC POLE, COMPRISING A CYLINDRICAL CORE OF SOLIDIFIED UNICELLULAR PLASTIC DIELECTRIC MATERIAL ADAPTED TO PREVENT PASSAGE OF MOISTURE THERETHROUGH, A COMPACT LAYER OF AXIALLY DISPOSED COMPRESSED FIBROUS ROVINGS OF A DIELECTRIC MATERIAL CLOSELY SURROUNDING SAID CORE, A COMPACT LAYER OF HELICALLY DISPOSED COMPRESSED FIBROUS ROVINGS OF DIELECTRIC MATERIAL CLOSELY SURROUNDING SAID AXIAL ROVINGS, A COMPACT LAYER OF AXIALLY DISPOSED COMPRESSED FIBROUS ROVINGS OF A DIELECTRIC MATERIAL CLOSELY SURROUNDING SAID HELICALLY DISPOSED ROVINGS, AND A SOLIDIFIED DIELECTRIC THERMOSET PLASTIC IN AND AROUND THE ROVINGS FORMING A MATRIX FOR THEIR FIBRES AND CONNECTING THE ROVINGS TO ONE ANOTHER AND TO THE CORE TO FORM A HERMETIC SEAL BETWEEN SAID CORE AND SAID SOLIDIFIED DIELECTRIC PLASTIC.
Claim 2
Dependent Claim
116 words
A SUBSTANTIALLY RIGID DIELECTRIC POLE, COMPRISING A CYLINDRICAL CORE OF SOLIDIFIED UNICELLULAR PLASTIC DIELECTRIC MATERIAL ADAPTED TO PREVENT PASSAGE OF MOISTURE THERETHROUGH, A COMPACT LAYER OF AXIALLY DISPOSED COMPRESSED FIBROUS ROVINGS OF A DIELECTRIC MATERIAL CLOSELY SURROUNDING SAID CORE, A COMPACT LAYER OF HELICALLY DISPOSED COMPRESSED FIBROUS ROVINGS OF DIELECTRIC MATERIAL CLOSELY SURROUNDING SAID AXIAL ROVINGS, A COMPACT LAYER OF AXIALLY DISPOSED COMPRESSED FIBROUS ROVINGS OF A DIELECTRIC MATERIAL CLOSELY SURROUNDING SAID HELICALLY DISPOSED ROVINGS, AND A SOLIDIFIED DIELECTRIC THERMOSET PLASTIC IN AND AROUND THE ROVINGS FORMING A MATRIX FOR THEIR FIBRES AND CONNECTING THE ROVINGS TO ONE ANOTHER AND TO THE CORE TO FORM A HERMETIC SEAL BETWEEN SAID CORE AND SAID SOLIDIFIED DIELECTRIC PLASTIC.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |