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US3595060A
Expired / Lapsed
US
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Method of forming metal alloys
Assignee: Pressed Steel Fisher Ltd
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Filing: 1969-03-18
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Granted: 1971-07-27
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Expires: 1989-03-18
Abstract
Abstract A method of forming superplastic metal alloys by heating the alloy to a temperature at which it is superplastic and then forming the alloy, in which the formed alloy is heated to a temperature above the superplastic temperature range in order to render it resistant to deformation before it is removed from the forming tool.
Inventors
- 👤 Bernard Brian Hundy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:12
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/053; B21D26/055; B21J; B21J5/00; C; C21; C21D; C21D7/00; C21D7/13; C21D8/00; C22; C22F; C22F1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
19 words
The method of claim 1 wherein said alloy is a zinc-aluminum eutectoid alloy in the form of a sheet.
References Cited (Backward Citations)
US3340101A
Cited
US3420717A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |