US2818336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium alloys
Assignee: RMI Co
•
Filing: 1957-02-15
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Granted: 1957-12-31
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Expires: 1977-02-15
Abstract
No abstract record available.
Inventors
- 👤 Earl F Swazy
- 👤 Richard H Freyer
- 👤 Lee S Busch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
C; C22; C22C; C22C14/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
ALLOYS CONTAINING FROM 0.1% TO 10% IRON, FROM 0.1% TO 5% SILICON, FROM 0.1% TO 2% CARBON, AND THE BALANCE THEREAFTER BEING SUBSTANTIALLY ALL TITANIUM.
Claim 2
Dependent Claim
25 words
ALLOYS CONTAINING FROM 0.1% TO 10% IRON, FROM 0.1% TO 5% SILICON, FROM 0.1% TO 2% CARBON, AND THE BALANCE THEREAFTER BEING SUBSTANTIALLY ALL TITANIUM.
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) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |