US2687350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium base alloys containing chromium and carbon
Assignee: Battelle Development Corp
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Filing: 1950-10-06
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Granted: 1954-08-24
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Expires: 1970-10-06
Abstract
No abstract record available.
Inventors
- 👤 Charles M Craighead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:31
CPC Classifications
C; C22; C22C; C22C14/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
22 words
AN ALLOY CONSISTING OF FROM ABOUT 2.5% TO ABOUT 5.0% CHROMIUM, FROM ABOUT 0.25% TO ABOUT 0.50% CARBON, AND THE BALANCE TITANIUM.
References Cited (Backward Citations)
US1471326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |