US2899302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mckel-silicon-boron alloys
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
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Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:54
CPC Classifications
C; C22; C22C; C22C19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN ALLOY CONSISTING OF .25 TO 5% BORON, .1 TO 5% SILICON, AT LEAST ONE ELEMENT OF THE GROUP CONSISTING OF TITANIUM, NIOBIUM AND TANTALUM, IN AN AMOUNT SUFFICIENT TO SUBSTANTIALLY ELIMINATE THE DIFFUSION OF THE ALLOY INTO STAINLESS STEEL, WHEN USED TO BRAZESTAINLESS STEEL PARTS, TITANIUM, WHEN PRESENT, BEING PRESENT IN AN AMOUNT OF FROM ABOUT .05% TO ABOUT 2%; NIOBIUM, WHEN PRESENT, BEING PRESENT IN AN AMOUNT OF FROM ABOUT .5% TO ABOUT 5%, AND TANTALUM, WHEN PRESENT, BEING PRESENT IN AN AMOUNT OF FROM ABOUT .5% TO ABOUT 5%, THE REMAINDER BEING SUBSTANTIALLY ALL NICKEL.
Claim 2
Dependent Claim
98 words
AN ALLOY CONSISTING OF .25 TO 5% BORON, .1 TO 5% SILICON, AT LEAST ONE ELEMENT OF THE GROUP CONSISTING OF TITANIUM, NIOBIUM AND TANTALUM, IN AN AMOUNT SUFFICIENT TO SUBSTANTIALLY ELIMINATE THE DIFFUSION OF THE ALLOY INTO STAINLESS STEEL, WHEN USED TO BRAZESTAINLESS STEEL PARTS, TITANIUM, WHEN PRESENT, BEING PRESENT IN AN AMOUNT OF FROM ABOUT .05% TO ABOUT 2%; NIOBIUM, WHEN PRESENT, BEING PRESENT IN AN AMOUNT OF FROM ABOUT .5% TO ABOUT 5%, AND TANTALUM, WHEN PRESENT, BEING PRESENT IN AN AMOUNT OF FROM ABOUT .5% TO ABOUT 5%, THE REMAINDER BEING SUBSTANTIALLY ALL NICKEL.
References Cited (Backward Citations)
US2688536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |