Patent US2553330A successfully refreshed from Google Patents.
US2553330A
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US
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Hot workable alloy
Assignee: Carpenter Steel Co
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Filing: 1950-11-07
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Granted: 1951-05-15
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Expires: 1970-11-07
Abstract
No abstract record available.
Inventors
- 👤 Carl B Post
- 👤 Donald G Schoffstall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:49
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/52; C22C19/00; C22C19/03; C22C38/44; H; H05; H05B; H05B3/00; H05B3/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AN ALLOY CAPABLE OF BEING HOT WORKED, SAID ALLOY COMPRISING NIL TO 0.50 PER CENT CARBON, 10 TO 60 PER CENT OF AT LEAST ONE ELEMENT OF THE GROUP CONSISTING OF CHROMIUM, MOLYBDENUM AND TUNGSTEN, THE AMOUNT OF ANY INDIVIDUAL ELEMENT OF SAID GROUP NOT EXCEEDING 30 PER CENT, 4 TO 70 PER CENT OF NICKEL, AND A SUBSTANCE OF THE GROUP CONSISTING OF CERIUM, LANTHANUM AND CERIUM PLUS LANTHANUM IN AMOUNTS CORRELATED WITH AND DEPENDENT ON THE NICKEL CONTENT AS FOLLOWS:
Claim 2
Dependent Claim
82 words
AN ALLOY CAPABLE OF BEING HOT WORKED, SAID ALLOY COMPRISING NIL TO 0.50 PER CENT CARBON, 10 TO 60 PER CENT OF AT LEAST ONE ELEMENT OF THE GROUP CONSISTING OF CHROMIUM, MOLYBDENUM AND TUNGSTEN, THE AMOUNT OF ANY INDIVIDUAL ELEMENT OF SAID GROUP NOT EXCEEDING 30 PER CENT, 4 TO 70 PER CENT OF NICKEL, AND A SUBSTANCE OF THE GROUP CONSISTING OF CERIUM, LANTHANUM AND CERIUM PLUS LANTHANUM IN AMOUNTS CORRELATED WITH AND DEPENDENT ON THE NICKEL CONTENT AS FOLLOWS:
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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |