US2598714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machinable high cobalt low carbon alloys for die-casting molds
Assignee: Continental Copper and Steel Industries Inc
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Filing: 1950-06-26
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Granted: 1952-06-03
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Expires: 1970-06-26
Abstract
No abstract record available.
Inventors
- 👤 John A Nelson
- 👤 Charles W Schuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:44
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
DIE-CASTING STEEL OF NON-CUTTING TOOL STEEL VARIETY, MACHINABLE AFTER HEAT TREATMENT AND HIGHLY RESISTANT TO CRACKING AND CRAZING AT ALUMI NUM AND BRASS CASTING TEMPERATURES OF 1100* F. TO 2200* F., CONTAINING ABOUT 0.05 TO 0.10 PER CENT OF CARBON, ABOUT 2 TO 6 PER CENT OF CHROMIUM, ABOUT 16 TO 30 PER CENT OF COBALT, ABOUT 2 TO 7 PER CENT OF MOLYBDENUM, ABOUT 0.75 TO 2.5 PER CENT OF VANADIUM, ABOUT 2 TO 7 PER CENT OF TUNGSTEN, AND THE REMAINDER IRON.
Claim 2
Dependent Claim
84 words
DIE-CASTING STEEL OF NON-CUTTING TOOL STEEL VARIETY, MACHINABLE AFTER HEAT TREATMENT AND HIGHLY RESISTANT TO CRACKING AND CRAZING AT ALUMI NUM AND BRASS CASTING TEMPERATURES OF 1100* F. TO 2200* F., CONTAINING ABOUT 0.05 TO 0.10 PER CENT OF CARBON, ABOUT 2 TO 6 PER CENT OF CHROMIUM, ABOUT 16 TO 30 PER CENT OF COBALT, ABOUT 2 TO 7 PER CENT OF MOLYBDENUM, ABOUT 0.75 TO 2.5 PER CENT OF VANADIUM, ABOUT 2 TO 7 PER CENT OF TUNGSTEN, AND THE REMAINDER IRON.
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) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |