US3531580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxy electrical insulating members with weather resistant polyester coating
Assignee: Westinghouse Electric Corp
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Filing: 1966-07-15
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Granted: 1970-09-29
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Expires: 1986-07-15
Abstract
No abstract record available.
Inventors
- 👤 Newton C Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:35
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/40; H01B19/00; H01B3/42; H01B3/421; H01B3/425; B; B29; B29L; B29L2031/00; B29L2031/34; B29L2031/3412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A WEATHER RESISTANT ELECTRICAL INSULATING MEMBER FOR AN ELECTRICAL CONDUCTOR COMPRISING AT LEAST ONE BUSHING HAVING A CENTRAL BORE ADAPTED TO RECEIVE AN ELECTRICAL CONDUCTOR, THE BUSHING CONSISTING ESSENTIALLY OF A CURED EPOXY RESIN REACTION PRODUCT OF (A) AN EPOXY NOVOLAC RESIN HAVING THE FOLLOWING STRUCTURE:
Claim 2
Dependent Claim
46 words
A WEATHER RESISTANT ELECTRICAL INSULATING MEMBER FOR AN ELECTRICAL CONDUCTOR COMPRISING AT LEAST ONE BUSHING HAVING A CENTRAL BORE ADAPTED TO RECEIVE AN ELECTRICAL CONDUCTOR, THE BUSHING CONSISTING ESSENTIALLY OF A CURED EPOXY RESIN REACTION PRODUCT OF (A) AN EPOXY NOVOLAC RESIN HAVING THE FOLLOWING STRUCTURE:
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) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |