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US2861530A
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Method and apparatus for making metal articles
Assignee: Westinghouse Electric Corp
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Filing: 1954-03-03
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Granted: 1958-11-25
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Expires: 1974-03-03
Abstract
No abstract record available.
Inventors
- 👤 Edward A Macha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:02
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/033; B21D26/041; B21D26/045; B21D35/00; B21D35/002; B21D35/005; B21D35/006; B21D35/008; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2038304A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |