Patent US3682723A successfully refreshed from Google Patents.
US3682723A
Expired / Lapsed
US
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Method of starting a combined wire-drawing,annealing and spooling operation
Assignee: Nokia Oyj
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Filing: 1970-01-20
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Granted: 1972-08-08
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Expires: 1990-01-20
Abstract
Abstract A METHOD OF AND A DEVICE FOR STARTING A COMBINED WIRE-DRAWING, ANNEALING AND SPOOLING OPERATION IN WHICH THE WIRE FEEDING CAPSTAN IS DRIVEN BY THE ANNEALER TO ACCELERATE THE SPEED OF THE WIRE INDEPENDENTLY OF THE ACCELERATION OF THE ROTATION OF THE DRAWING WHEELS OF THE DRAWING MACHINE. D R A W I N G
Inventors
- 👤 Asko Sakari Riekkinen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:01
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/04; C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/62
Claims Analysis
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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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |