Patent US2653917A successfully refreshed from Google Patents.
US2884688A
Expired / Lapsed
US
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Sintered ni-al-zr compositions
Assignee: Borolite Corp
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Filing: 1956-12-28
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Granted: 1959-05-05
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Expires: 1976-12-28
Abstract
No abstract record available.
Inventors
- 👤 William H Herz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:38
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/0433; Y; Y10; Y10S; Y10S75/00; Y10S75/95
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SHAPED CORROSION-RESISTANT BODY HAVING AN EXTENDED SURFACE WHICH IN OPERATION IS EXPOSED TO CORRODING FLUIDS AND GREAT STRAINS, SAID BODY CONSISTING OF SINTERED POWDER PARTICLES CONTAINING ABOUT 93% TO 98% OF A NICKEL-ALUMINUM ALLOY OF THE APPROXIMATE COMPOSITION OF THE NIAL AND AN ADDITION CONSISTING OF 2% TO 7% ZIRCONIUM IN SOLID SOLUTION WITH SAID ALLOY, SAID NICKEL-ALUMINUM ALLOY CONSISTING OF 65% TO 75% NICKEL, THE BALANCE ALUMINUM.
Claim 2
Dependent Claim
69 words
A SHAPED CORROSION-RESISTANT BODY HAVING AN EXTENDED SURFACE WHICH IN OPERATION IS EXPOSED TO CORRODING FLUIDS AND GREAT STRAINS, SAID BODY CONSISTING OF SINTERED POWDER PARTICLES CONTAINING ABOUT 93% TO 98% OF A NICKEL-ALUMINUM ALLOY OF THE APPROXIMATE COMPOSITION OF THE NIAL AND AN ADDITION CONSISTING OF 2% TO 7% ZIRCONIUM IN SOLID SOLUTION WITH SAID ALLOY, SAID NICKEL-ALUMINUM ALLOY CONSISTING OF 65% TO 75% NICKEL, THE BALANCE ALUMINUM.
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) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |