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US2074007A
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Method of making articles of cobaltchromium-tungsten alloys
Assignee: Union Carbide Corp
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Filing: 1934-08-03
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Granted: 1937-03-16
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Expires: 1954-08-03
Abstract
No abstract record available.
Inventors
- 👤 William A Wissler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:05
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/12; B21C37/122; B21C37/124; B23; B23K; B23K31/00; B23K31/02; B23K31/027; B23K2101/00; B23K2101/04; B23K2101/06; B23K2103/00; B23K2103/08; B23K2103/18; B23K2103/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/4998; Y10T29/49988; Y10T29/49989
Claims Analysis
Total Claims: 0
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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) | 1940-03-15 | 1940-09-14 | 1941-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-15 | 1944-09-14 | 1945-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-15 | 1948-09-14 | 1949-03-16 | $7700.00 | Window Closed / Lapsed |