US3563074A
Expired / Lapsed
US
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Method of making electric welding wire having extended shelf life
Assignee: United States Steel Corp
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Filing: 1970-01-29
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Granted: 1971-02-16
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Expires: 1990-01-29
Abstract
Abstract A BRIGHT-FINISH WELD-WIRE FOR ELECTRIC WELDING PURPOSES AND THE METHOD OF MAKING SUCH WIRE WHICH INCLUDES CLEANING A LENGTH OF STEEL WIRE BY ACID-ELECTROLYTIC TREATMENT AND THEN COLD-DRAWING IT THROUGH A DIAMOND DIE USING AS A WIRE-DRAWING LUBRICANT AN AQUEOUS SOLUTION OF WATERSOLUBLE SOAP AND A WATER-SOLUBLE INORGANIC RUST INHIBITOR.
Inventors
- 👤 Samuel C Avallone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:59
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; B; B21; B21C; B21C37/00; B21C37/04; B21C37/045; B23; B23K; B23K35/00; B23K35/40; C25; C25F; C25F1/00; C10M2201/00; C10M2201/02; C10M2201/086; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2958
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |