US2968549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High strength alloy for use at elevated temperatures
Assignee: United States Steel Corp
•
Filing: 1959-06-10
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Granted: 1961-01-17
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Richard R Brady
- 👤 Edward J Dulis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:32
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/28; C22C38/22; C22C38/24; C22C38/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A STEEL ALLOY CHARACTERIZED BY HIGH CREEP-RUPTURE PROPERTIES AT 1100*F., AND SAID STEEL CONTAINING
Claim 2
Dependent Claim
14 words
A STEEL ALLOY CHARACTERIZED BY HIGH CREEP-RUPTURE PROPERTIES AT 1100*F., AND SAID STEEL CONTAINING
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) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |