US3697260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum conductor wire
Assignee: Alcoa Corp
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Filing: 1969-12-30
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Granted: 1972-10-10
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Expires: 1989-12-30
Abstract
Abstract IMPROVED ALUMINUM WIRE GENERALLY RANGING FROM 16 TO 24 GAUGE (0.050 TO 0.020 INCH DIAMETER), PARTICULARLY USEFUL IN TELEPHONE CABLE AND SIMILAR APPLICATIONS, CONTAINS CAREFUL ADDITIONS TO ALUMINUM OF MAGNESIUM, COPPER, NICKEL AND IRON AND IS FABRICATED BY STEPS WHICH IMPART TO THE WIRE A CONTROLLED AMOUNT OF STRAIN HARDENING. THE IMPROVED WIRE EXHIBITS THE DELICATE BALANCE OF PRPERTIES, INCLUDING STRENGTH, DUCTILITU, BENDABILITY, ELECTRICAL CONNECTION STABILITY AND ELECTRICAL CONDUCTIVITY, TO MAKE IT HIGHLY SUITABLE FOR TELEPHONE SERVICE.
Inventors
- 👤 Harold Y Hunsicker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:31
CPC Classifications
C; C22; C22C; C22C21/00; H; H01; H01B; H01B1/00; H01B1/02; H01B1/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |