Patent US3015686A successfully refreshed from Google Patents.
US3015686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article of manufacture utilizing a stranded core construction and method of making
Assignee: Rea Magnet Wire Co Inc
•
Filing: 1958-08-28
•
Granted: 1962-01-02
•
Expires: 1978-08-28
Abstract
No abstract record available.
Inventors
- 👤 Hermann C N Heckel
- 👤 Jr Robert T Jefferson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:58
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN ARTICLE OF MANUFACTURE COMPRISING A CORE MADE UP OT TWISTED ELONGATED COPPER WIRES, SAID TWISTED WIRE HAVING DISPERSED THROUGHOUT THE CORE STRAND CAVITIES TO PROVIDE EXPANSION SPACE, ELECTRICAL INSULATION ENCLOSING SAID COPPER WIRE CORE COMPOSED OF SILICEOUS RESILIENT MATERIAL OF RELATIVELY HIGH TEMPERATURE SOFTENING POINT, SAID RESILIENT SILICEOUS INSULATION BEING READILY SLIPPABLE RELATIVE SAID CORE, AND AN OUTER COVERING OD SILICEOUS MATERIAL WHICH IS OF RELATIVELY LOWER TEMPERATURE SOFTENING POINT THAN SAID RESILIENT SILICEOUS MATERIAL, SAID LOWER SOFTENING POINT RESILIENT SILICEOUS MATERIAL ADHERING TO THE OUTER SURFACE OF SAID HIGHER SOFTENING POINT INSULATION MATERIAL AND PROVIDING A CONTINUOUS LAYER OF INSULATION MATERIAL OVER SAID COPPER WIRE CORE.
Claim 2
Dependent Claim
108 words
AN ARTICLE OF MANUFACTURE COMPRISING A CORE MADE UP OT TWISTED ELONGATED COPPER WIRES, SAID TWISTED WIRE HAVING DISPERSED THROUGHOUT THE CORE STRAND CAVITIES TO PROVIDE EXPANSION SPACE, ELECTRICAL INSULATION ENCLOSING SAID COPPER WIRE CORE COMPOSED OF SILICEOUS RESILIENT MATERIAL OF RELATIVELY HIGH TEMPERATURE SOFTENING POINT, SAID RESILIENT SILICEOUS INSULATION BEING READILY SLIPPABLE RELATIVE SAID CORE, AND AN OUTER COVERING OD SILICEOUS MATERIAL WHICH IS OF RELATIVELY LOWER TEMPERATURE SOFTENING POINT THAN SAID RESILIENT SILICEOUS MATERIAL, SAID LOWER SOFTENING POINT RESILIENT SILICEOUS MATERIAL ADHERING TO THE OUTER SURFACE OF SAID HIGHER SOFTENING POINT INSULATION MATERIAL AND PROVIDING A CONTINUOUS LAYER OF INSULATION MATERIAL OVER SAID COPPER WIRE CORE.
References Cited (Backward Citations)
US2390039A
Cited
US2361374A
Cited
US2484214A
Cited
US2504764A
Cited
US2867032A
Cited
GB710711A
Cited
US2848794A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |