Patent US2545866A successfully refreshed from Google Patents.
US2545866A
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Boron-containing aluminum wire and method of its production
Assignee: Alcoa Corp
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Filing: 1946-11-15
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Granted: 1951-03-20
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Expires: 1966-11-15
Abstract
No abstract record available.
Inventors
- 👤 Raymond T Whitzel
- 👤 William E King
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:14
CPC Classifications
C; C22; C22C; C22C21/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S72/00; Y10S72/70; Y10T; Y10T428/00; Y10T428/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ELECTRICAL CONDUCTOR WIRE OF CONDUCTOR GRADE ALUMINUM COLD DRAWN TO A DIAMETER OF 0.210 INCH OF LESS CONTAINING FROM 0.001 TO 0.5 PER CENT BORON, SAID WIRE BEING COLD DRAWN FROM HOT ROLLED ROD WITHOUT ANY ANNEAL OF SAID ROD OR WIRE, THE AMOUNT OF BORON BEING SUFFICIENT THAT THE WIRE WILL HAVE AN ELECTRICAL CONDUCTIVITY OF NOT LESS THAN 61 PER CENT OF THAT OF THE INTERNATIONAL ANNEALED COPPER STANDARD ON A VOLUME BASIS AND AN AVERAGE TENSILE STRENGTH OF AT LEAST 26,000 P.S.I. FOR WIRE DRAWN TO A DIAMETER OF 0.210 INCH AND AN INCREASINGLY HIGHER STRENGTH FOR WIRES DRAWN TO SMALLER DIAMETERS.
Claim 2
Dependent Claim
106 words
AN ELECTRICAL CONDUCTOR WIRE OF CONDUCTOR GRADE ALUMINUM COLD DRAWN TO A DIAMETER OF 0.210 INCH OF LESS CONTAINING FROM 0.001 TO 0.5 PER CENT BORON, SAID WIRE BEING COLD DRAWN FROM HOT ROLLED ROD WITHOUT ANY ANNEAL OF SAID ROD OR WIRE, THE AMOUNT OF BORON BEING SUFFICIENT THAT THE WIRE WILL HAVE AN ELECTRICAL CONDUCTIVITY OF NOT LESS THAN 61 PER CENT OF THAT OF THE INTERNATIONAL ANNEALED COPPER STANDARD ON A VOLUME BASIS AND AN AVERAGE TENSILE STRENGTH OF AT LEAST 26,000 P.S.I. FOR WIRE DRAWN TO A DIAMETER OF 0.210 INCH AND AN INCREASINGLY HIGHER STRENGTH FOR WIRES DRAWN TO SMALLER DIAMETERS.
References Cited (Backward Citations)
CH141367A
Cited
US2252421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-19 | 1954-09-18 | 1955-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-19 | 1958-09-18 | 1959-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-19 | 1962-09-18 | 1963-03-20 | $7700.00 | Window Closed / Lapsed |