US2988446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing alloy
Assignee: Huntington Alloys Corp
•
Filing: 1958-07-18
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Granted: 1961-06-13
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Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Rhys David Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:54
CPC Classifications
C; C22; C22C; C22C28/00; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/302; B23K35/32; B23K35/322; C22C30/00; C22C30/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
AN EASILY WORKABLE SOLDER CHARACTERIZED BY AN IMPROVED COMBINATION OF PROPERTIES, INCLUDING GOOD WETTING AND FLOWING PROPERTIES IN CONTACT WITH CHROMIUM-CONTAINING METALS, OXIDATION RESISTANCE, CREEP RESISTANCE, MECHANICAL STRENGTH AND HAVING A LOW DIFFUSION POTENTIAL, FOR JOINING PARTS MADE OF CHROMIUM-CONTAINING HEAT-RESISTING ALLOYS INTO GAS TURBINE STRUCTURES AND THE LIKE, WHICH COMPRISES AN ALLOY CONTAINING ABOUT 24% TO ABOUT 88% COPPER, ABOUT 10% TO ABOUT 54% PALLADIUM AND ABOUT 2% TO ABOUT 50% MANGANESE IN COORDINATED AMOUNTS FALLING WITHIN THE RANGES DEFINED BY THE AREA BOUNDED BY THE LINE AEFD IN THE ACCOMPANYING DRAWING.
Claim 2
Dependent Claim
93 words
AN EASILY WORKABLE SOLDER CHARACTERIZED BY AN IMPROVED COMBINATION OF PROPERTIES, INCLUDING GOOD WETTING AND FLOWING PROPERTIES IN CONTACT WITH CHROMIUM-CONTAINING METALS, OXIDATION RESISTANCE, CREEP RESISTANCE, MECHANICAL STRENGTH AND HAVING A LOW DIFFUSION POTENTIAL, FOR JOINING PARTS MADE OF CHROMIUM-CONTAINING HEAT-RESISTING ALLOYS INTO GAS TURBINE STRUCTURES AND THE LIKE, WHICH COMPRISES AN ALLOY CONTAINING ABOUT 24% TO ABOUT 88% COPPER, ABOUT 10% TO ABOUT 54% PALLADIUM AND ABOUT 2% TO ABOUT 50% MANGANESE IN COORDINATED AMOUNTS FALLING WITHIN THE RANGES DEFINED BY THE AREA BOUNDED BY THE LINE AEFD IN THE ACCOMPANYING DRAWING.
References Cited (Backward Citations)
US1935897A
Cited
US2050077A
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GB573176A
Cited
US2654946A
Cited
US2729881A
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US2815282A
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US2844867A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |