US2973261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Columbium base alloys
Assignee: General Electric Co
•
Filing: 1959-06-11
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Granted: 1961-02-28
•
Expires: 1979-06-11
Abstract
No abstract record available.
Inventors
- 👤 Robert G Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:16
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A COLUMBIUM BASE ALLOY CONSISTING ESSENTIALLY OF BY WEIGHT AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM, THE MOLYBDENUM CONTENT BEING SELECTED FROM THE RANGE 4-13.5% AND THE TUNGSTEN CONTENT BEING SELECTED FROM THE RANGE 5.2-17%, ABOUT 0.1-1.8% ZIRCONIUM, WITH THE BALANCE ESSENTIALLY COLUMBIUM.
Claim 2
Dependent Claim
49 words
A COLUMBIUM BASE ALLOY CONSISTING ESSENTIALLY OF BY WEIGHT AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM, THE MOLYBDENUM CONTENT BEING SELECTED FROM THE RANGE 4-13.5% AND THE TUNGSTEN CONTENT BEING SELECTED FROM THE RANGE 5.2-17%, ABOUT 0.1-1.8% ZIRCONIUM, WITH THE BALANCE ESSENTIALLY COLUMBIUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |