US2924875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sintered hard metal alloy
Assignee: Santrade Ltd
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Filing: 1957-04-11
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Granted: 1960-02-16
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Expires: 1977-04-11
Abstract
No abstract record available.
Inventors
- 👤 Gisner Bo
- 👤 Ohlsson Fall Johan Olo William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:18
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/0047; C22C32/0052
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A SINTERED HARD METAL ALLOY ESPECIALLY FOR MACHINING STEEL CONSISTING ESSENTIALLY OF THE FOLLOWING COMPONENTS IN THE FOLLOWING PERCENTAGES BY WEIGHT: TIC 18-21%, A CARBIDE OF THE GROUP CONSISTING OF TAC AND NBC AND MIXTURES OF TAC AND NBC, 14-18%, THE CONTENT OF SAID CARBIDE BEING LESS THAN THE CONTENT OF TIC, AUXILIARY BONDING METAL OF THE GROUP CONSISTING OF NI, CO AND FE, 8.5-11%, THE REMAINDER BEILNG SUBSTANTIALLY ALL WC, SAID ALLOY BEING FURTHER CHARACTERIZED IN THAT SOLUTION, TIC, OF ALL OF THE CARBIDE OF THE GROUP CONSISTING OF TAC AND NBC AND MIXTURES OF TAC AND NBC AND SUBSTANTIALLY ALL OF THE WC AND AN A-PHASE CONSISTING OF THE REMAINING UNDISSOLVED WC AND A B-PHASE CONSISTING OF THE AUXILIARY BONDING METAL, THE AMOUNT OF THE B-PHASE THEREOF AND THE AMOUNT OF THE Y-PHASE THEREOF BEING RELATED TO ONE ANOTHER BY THE RELATIONSHIP
Claim 2
Dependent Claim
144 words
A SINTERED HARD METAL ALLOY ESPECIALLY FOR MACHINING STEEL CONSISTING ESSENTIALLY OF THE FOLLOWING COMPONENTS IN THE FOLLOWING PERCENTAGES BY WEIGHT: TIC 18-21%, A CARBIDE OF THE GROUP CONSISTING OF TAC AND NBC AND MIXTURES OF TAC AND NBC, 14-18%, THE CONTENT OF SAID CARBIDE BEING LESS THAN THE CONTENT OF TIC, AUXILIARY BONDING METAL OF THE GROUP CONSISTING OF NI, CO AND FE, 8.5-11%, THE REMAINDER BEILNG SUBSTANTIALLY ALL WC, SAID ALLOY BEING FURTHER CHARACTERIZED IN THAT SOLUTION, TIC, OF ALL OF THE CARBIDE OF THE GROUP CONSISTING OF TAC AND NBC AND MIXTURES OF TAC AND NBC AND SUBSTANTIALLY ALL OF THE WC AND AN A-PHASE CONSISTING OF THE REMAINING UNDISSOLVED WC AND A B-PHASE CONSISTING OF THE AUXILIARY BONDING METAL, THE AMOUNT OF THE B-PHASE THEREOF AND THE AMOUNT OF THE Y-PHASE THEREOF BEING RELATED TO ONE ANOTHER BY THE RELATIONSHIP
References Cited (Backward Citations)
US1973428A
Cited
US2198343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |