US2665318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc melting of titanium to form ingots
Assignee: Allegheny Ludlum Steel Corp
•
Filing: 1950-07-21
•
Granted: 1954-01-05
•
Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 Schuyler A Herres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:16
CPC Classifications
F; F27; F27D; F27D11/00; F27D11/08; C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; Y; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1512271A
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US1433541A
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US2205857A
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US2325521A
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US2370467A
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US2406147A
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US2441416A
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US2541764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |