US2580273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refractory metal alloy castings and methods of making same
Assignee: Climax Molybdenum Co
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Filing: 1947-09-25
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Granted: 1951-12-25
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Expires: 1967-09-25
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Bens
- 👤 John L Ham
- 👤 Robert M Parke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:06
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
A CAST ALLOY CHARACTERIZED BY ITS FORGEABILITY AND CONTAINING FROM .01 TO .25 PER CENT CARBON, NOT MORE THEN .005 PER CENT OXYGEN AND THE BALANCE ESSENTIALLY ALL OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN AND MOLYBDENUM.
References Cited (Backward Citations)
US1365091A
Cited
US1652027A
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US1658712A
Cited
US1731267A
Cited
GB338409A
Cited
US1880200A
Cited
US2040566A
Cited
US2277211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |