Patent US3179739A successfully refreshed from Google Patents.
US3179739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature insulation for electrical conductors
Assignee: Owens Corning
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Filing: 1960-08-23
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Granted: 1965-04-20
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Expires: 1980-08-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph L Tiede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:32
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/082
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
50 words
AN INSULATED CONDUCTOR HAVING A METAL CORE OF ELECTRICAL CONDUCTING CAPACITY, AND TWO DISTINCT LAYERS OF INSULATING GLASS COVERING THE METAL CORE, ONE OF SAID LAYERS COMPOSED OF CIRCUMFERENTIAL TURNS OF UNFUSED GLASS IN STRAND FORM, THE OTHER OF SAID LAYERS COMPOSED OF A CONTINUOUS COATING OF DEVITRIFIED FUSED GLASS.
References Cited (Backward Citations)
US2527884A
Cited
GB710711A
Cited
US2830000A
Cited
US2974051A
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US2889952A
Cited
US2846235A
Cited
US3012092A
Cited
US3030257A
Cited
US3006794A
Cited
US3018321A
Cited
US3028446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |