US2593922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated electrical conductor
Assignee: Sprague Electric Co
•
Filing: 1947-04-16
•
Granted: 1952-04-22
•
Expires: 1967-04-16
Abstract
No abstract record available.
Inventors
- 👤 Robinson Preston
- 👤 Colin C Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:43
CPC Classifications
H; H01; H01G; H01G2/00; H01G2/12; H01B; H01B9/00; H01B9/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN INSULATED ELECTRICAL CONDUCTOR COMPRISING A METALLIC CONDUCTOR OF THE GROUP CONSISTING OF ALUMINUM, COPPER, TIN, LEAD AND ZINC ON THE SURFACE OF WHICH IS AN IN SITU FORMED LAYER OF A FERROCYANIDE OF THE METAL AT SAID SURFACE, AND UPON WHICH IS A POLYVINYL RESIN BONDED TO SAID FERROCYANIDE LAYER.
Claim 2
Dependent Claim
51 words
AN INSULATED ELECTRICAL CONDUCTOR COMPRISING A METALLIC CONDUCTOR OF THE GROUP CONSISTING OF ALUMINUM, COPPER, TIN, LEAD AND ZINC ON THE SURFACE OF WHICH IS AN IN SITU FORMED LAYER OF A FERROCYANIDE OF THE METAL AT SAID SURFACE, AND UPON WHICH IS A POLYVINYL RESIN BONDED TO SAID FERROCYANIDE LAYER.
References Cited (Backward Citations)
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GB439530A
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GB467024A
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US2125387A
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US2163768A
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US2399019A
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US2417885A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |