Patent US2640773A successfully refreshed from Google Patents.
US2640773A
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Titanium base alloys
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1952-01-25
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Granted: 1953-06-02
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Expires: 1972-01-25
Abstract
No abstract record available.
Inventors
- 👤 Richard K Pitler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:55
CPC Classifications
C; C22; C22C; C22C14/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
74 words
AN IMPROVED TITANIUM BASE ALLOY WHICH CONTAINS ABOUT 1 TO 4% IORN, UP TO ABOUT .30% MAXIMUM OF EACH OF THE GASES OXYGEN AND NITROGEN, AT LEAST TWO METALS WITHIN THE RANGES SPECIFIED FROM THE GROUP CONSISTING OF: CHROMIMUM ABOUT 5 TO 5%, MANGANESE ABOUT .5 TO 6%, AND MOLYBDENUM ABOUT .5 TO 5%, THE IRON-PLUS-ALLOYING METAL CONTENT LESS THAN 10% BUT NOT LESS THAN ABOUT 5%, AND THE BALANCE TITANIUM WITH INCIDENTAL IMPURITIES.
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) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |