Patent US2744153A successfully refreshed from Google Patents.
US2744153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated wire
Assignee: Plastic Wire and Cable Corp
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Filing: 1951-01-23
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Granted: 1956-05-01
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Expires: 1971-01-23
Abstract
No abstract record available.
Inventors
- 👤 James E Flood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:44
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN INSULATED ELECTRICAL CONDUCTOR COMPRISING A METALLIC CONDUCTOR, A PRIMARY INSULATING JACKET SURROUNDING AND IN CONTACT WITH SAID CONDUCTOR, SAID JACKET HAVING A CEMENTITIOUS SURFACE LAYER, AN INSULATING AND STRENGTHENING BARRIER IN THE FORM OF A SERVING COMPRISING A PLURALITY OF SEPARATE, UNCONNECTED, SUBSTANTIALLY PARALLEL FILAMENTS OF GLASS FILAMENTARY MATERIAL ON SAID LAYER, SAID SURFACE LAYER INCLUDING A VOLATILE SOLVENT AND HAVING A THICKNESS SUFFICIENT TO ENABLE EMBEDDING OF THE SEPARATE GLASS FILAMENTS THEREIN TO VARYING DEPTHS IN ACCORDANCE WITH THE WINDING TENSION IN THE SEPARATE FILA-
Claim 2
Dependent Claim
87 words
AN INSULATED ELECTRICAL CONDUCTOR COMPRISING A METALLIC CONDUCTOR, A PRIMARY INSULATING JACKET SURROUNDING AND IN CONTACT WITH SAID CONDUCTOR, SAID JACKET HAVING A CEMENTITIOUS SURFACE LAYER, AN INSULATING AND STRENGTHENING BARRIER IN THE FORM OF A SERVING COMPRISING A PLURALITY OF SEPARATE, UNCONNECTED, SUBSTANTIALLY PARALLEL FILAMENTS OF GLASS FILAMENTARY MATERIAL ON SAID LAYER, SAID SURFACE LAYER INCLUDING A VOLATILE SOLVENT AND HAVING A THICKNESS SUFFICIENT TO ENABLE EMBEDDING OF THE SEPARATE GLASS FILAMENTS THEREIN TO VARYING DEPTHS IN ACCORDANCE WITH THE WINDING TENSION IN THE SEPARATE FILA-
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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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |