US3692501A
Expired / Lapsed
US
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Diffusion bonded superalloy article
Assignee: General Electric Co
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Filing: 1971-03-26
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Granted: 1972-09-19
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Expires: 1991-03-26
Abstract
Abstract A IMPROVED DIFFUSION BONDED, ARE HARDENABLE JOINT BETWEEN SUPERALLOY MEMBERS RESULTS FROM A METHOD WHICH COMBINES THE BENEFITS OF VACUUM HIGH TEMPERATURE BRAZING AND PRESSURE SOLID STATE DIFFUSION BONDING THROUGH USE OF AN AGE HAREDENABLE BONDING POWDER RELATED TO THE SUPERALLOY AND INCLUDING TEMPERATURE DEPRESSANTS SELECTED FROM B, SI, MN, CB, TA AND THEIR MIXTURES. THE METHOD AVOIDS THE NEED FOR PRESSURE DURING THE DIFFUSION BONDING PORTION.
Inventors
- 👤 George S Hoppin
- 👤 Reed E Yount
- 👤 Thomas F Berry
- 👤 James F Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:37
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/30; B23K35/3033; B23K35/304; B23K35/001; B23K35/004; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12493; Y10T428/12639; Y10T428/12771; Y10T428/12861; Y10T428/12931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |