US3171014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of effecting magnetic deformation of a workpiece
Assignee: Giannini Scientific Corp
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Filing: 1962-09-05
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Granted: 1965-02-23
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Adriano C Ducati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:30
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
IN A METHOD OF MAGNETIC FORMING, THE STEPS OF PROVIDING A GENERALLY DISC-SHAPED ELECTRICALLY-CONDUCTIVE WORKPIECE, PROVIDING AN ELECTRICALLY-CONDUCTIVE ELEMENT PARALLEL TO AND ADJACENT AT LEAST ONE SURFACE OF SAID WORKPIECE, EFFECTING FLOW OF A LARGE ELECTRIC CURRENT RADIALLY THROUGH SAID WORKPIECE AND PARALLEL TO SAID ELECTRICALLY-CONDUCTIVE ELEMENT, EFFECTING FLOW OF A LARGE ELECTRIC CURRENT THROUGH SAID ELECTRICALLY-CONDUCTIVE ELEMENT PARALLEL TO SAID RADIAL FLOW THROUGH SAID WORKPIECE TO CREATE A STRONG MAGNETIC FIELD, SAID CURRENTS BEING SUFFICIENTLY LARGE THAT SAID FIELD EFFECTS MAGNETIC FORMING OF SAID WORKPIECE, AND RESTRAINING AT LEAST PORTIONS OF SAID WORKPIECE IN A PREDETERMINED MANNER.
References Cited (Backward Citations)
US2393243A
Cited
US2976907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |