US3022162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing alloys
Assignee: Individual
•
Filing: 1960-07-25
•
Granted: 1962-02-20
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Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Donnelly
- 👤 Ralph G Gilliland
- 👤 Gerald M Slaughter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:15
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/02; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3013; C22C5/00; C22C5/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12625; Y10T428/12771; Y10T428/12806; Y10T428/12812; Y10T428/12861; Y10T428/12889
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A BRAZING ALLOY WHICH, IN THE MOLTEN STATE, IS CHARACTERIZED BY EXCELLENT WETTABILITY AND FLOWABILITY, SAID ALLOY BEING CAPABLE OF FORMING A CORROSION RESISTANT BRAZED JOINT WHEREIN AT LEAST ONE COMPONENT OF SAID JOINT IS GRAPHITE AND THE OTHER COMPONENT IS A CORROSION RESISTANT REFRACTORY METAL AND CONSISTING ESSENTIALLY OF 40-90 PERCENT BY WEIGHT OF GOLD, 5-35 PERCENT BY WEIGHT OF NICKEL, AND 1-45 PERCENT BY WEIGHT OF TANTALUM.
Claim 2
Dependent Claim
69 words
A BRAZING ALLOY WHICH, IN THE MOLTEN STATE, IS CHARACTERIZED BY EXCELLENT WETTABILITY AND FLOWABILITY, SAID ALLOY BEING CAPABLE OF FORMING A CORROSION RESISTANT BRAZED JOINT WHEREIN AT LEAST ONE COMPONENT OF SAID JOINT IS GRAPHITE AND THE OTHER COMPONENT IS A CORROSION RESISTANT REFRACTORY METAL AND CONSISTING ESSENTIALLY OF 40-90 PERCENT BY WEIGHT OF GOLD, 5-35 PERCENT BY WEIGHT OF NICKEL, AND 1-45 PERCENT BY WEIGHT OF TANTALUM.
References Cited (Backward Citations)
US2148040A
Cited
FR883104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |