US3053706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treatable tool steel of high carbide content
Assignee: 134 WOODWORTH Corp
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Filing: 1959-04-27
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Granted: 1962-09-11
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Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Gregory Eric
- 👤 Epner Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:00
CPC Classifications
C; C22; C22C; C22C33/00; C22C33/02; C22C33/0257; C22C33/0278; C22C33/0292; C22C29/00; C22C29/02; C22C29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A HEAT TREATABLE FERROUS ALLOY FORMED OF A PRIMARY SOLID SOLUTION CARBIDE, AND THE BALANCE OF THE ALLOY BEING FORMED OF A HEAT TREATABLE STEEL MATRIX, SAID PRIMARY CARBIDE COMPRISING SUBSTANTIALLY A SOLID SOLUTION OF A TUNGSTEN GROUP METAL CARBIDE SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN CARBIDE, MOLYBDENUM CARBIDE AND CHROMIUM CARBIDE IN TITANIUM CARBIDE AT SUBSTANTIALLY THE SATURATION LIMIT OF THE SOLID SOLUSTION COMPOSITION IN EQUILIBRIUM WITH SAID STEEL MATRIX, SAID STEEL MATRIX HAVING DISPERSED THERETHROUGH A SECONDARY CARBIDE COMPRISES SUBSTANTIALLY OF A CARBIDE SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN CARBIDE, MOLYBDENUM CARBIDE AND CHROMIUM CARBIDE.
Claim 2
Dependent Claim
99 words
A HEAT TREATABLE FERROUS ALLOY FORMED OF A PRIMARY SOLID SOLUTION CARBIDE, AND THE BALANCE OF THE ALLOY BEING FORMED OF A HEAT TREATABLE STEEL MATRIX, SAID PRIMARY CARBIDE COMPRISING SUBSTANTIALLY A SOLID SOLUTION OF A TUNGSTEN GROUP METAL CARBIDE SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN CARBIDE, MOLYBDENUM CARBIDE AND CHROMIUM CARBIDE IN TITANIUM CARBIDE AT SUBSTANTIALLY THE SATURATION LIMIT OF THE SOLID SOLUSTION COMPOSITION IN EQUILIBRIUM WITH SAID STEEL MATRIX, SAID STEEL MATRIX HAVING DISPERSED THERETHROUGH A SECONDARY CARBIDE COMPRISES SUBSTANTIALLY OF A CARBIDE SELECTED FROM THE GROUP CONSISTING OF TUNGSTEN CARBIDE, MOLYBDENUM CARBIDE AND CHROMIUM CARBIDE.
References Cited (Backward Citations)
US2828202A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |