Patent US3252313A successfully refreshed from Google Patents.
US3252313A
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Electromagnetic forming method and apparatus
Assignee: Motors Liquidation Co
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Filing: 1964-12-21
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Granted: 1966-05-24
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Expires: 1984-12-21
Abstract
No abstract record available.
Inventors
- 👤 Mark A Eilers
- 👤 Jr Winlaw B Bramley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:26
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
APPARATUS FOR ELECTROMAGENTICALLY FORMING A METALLIC WORKPIECE COMPRISING A FLUX CONCENTRATOR DEFINING A WORKSPACE FOR THE WORKPIECE, A CONDUCTOR SO SHAPED AS TO INDUCE WHEN THE ENERGIZED A CURRENT IN THE FLUX CONCENTRATOR IN THE OPERATIVE POSITIONS THEREOF, MEANS MANEUVERING THE FLUX CONCENTRATOR AND THE CONDUCTOR RELATIVE TO EACH OTHER AND TO THE OPERATIVE POSITIONS THEREOF, AND MEANS ENERGIZING THE CONDUCTOR SO AS TO DEVELOP A HIGH INTENSITY MAGNETIC FIELD WHICH IS INTENSIFIED WITHIN THE WORKSPACE BY THE FLUX CONCENTRATOR SO AS TO IMPOSE A FORMING FORCE ON THE WORKPIECE.
Claim 2
Dependent Claim
90 words
APPARATUS FOR ELECTROMAGENTICALLY FORMING A METALLIC WORKPIECE COMPRISING A FLUX CONCENTRATOR DEFINING A WORKSPACE FOR THE WORKPIECE, A CONDUCTOR SO SHAPED AS TO INDUCE WHEN THE ENERGIZED A CURRENT IN THE FLUX CONCENTRATOR IN THE OPERATIVE POSITIONS THEREOF, MEANS MANEUVERING THE FLUX CONCENTRATOR AND THE CONDUCTOR RELATIVE TO EACH OTHER AND TO THE OPERATIVE POSITIONS THEREOF, AND MEANS ENERGIZING THE CONDUCTOR SO AS TO DEVELOP A HIGH INTENSITY MAGNETIC FIELD WHICH IS INTENSIFIED WITHIN THE WORKSPACE BY THE FLUX CONCENTRATOR SO AS TO IMPOSE A FORMING FORCE ON THE WORKPIECE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |