US3726722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel alloy product and method of making
Assignee: Dow Chemical Co
•
Filing: 1970-06-12
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Granted: 1973-04-10
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Expires: 1990-06-12
Abstract
Abstract THE INVENTION IS A HIGH STRENGTH NICKEL ALLOY CONTAINING 1 TO 20 PERCENT BY VOLUME OF INTIMATELY DISPERSED SOLID-INSOLUBLE SECOND PHASE IN A MATRIX OF NICKEL OR NICKEL ALLOY SUCH AS PRECIPITATION HARDENED ALLOY. THE SECOND PHASE IS OBTAINED BY ADDING ELEMENTS OR COMPOUNDS TO NICKEL OR NICKEL ALLOY IN AN AMOUNT IN EXCESS OF THEIR SOLID SOLUBILITY IN NICKEL. ELEMENTS OR COMPOUNDS WHICH ARE ONLY SLIGHTLY SOLUBLE IN NICKEL AND FORM HIGH METING COMPOUNDS WHICH HAVE A USEFUL LIQUID SOLUBILITY ARE PREFERRED. THE ALLOY PRODUCT IS OBTAINED BY ATOMIZING A SUBSTANTIALLY HOMOGENEOUS MELT, COMPACTING THE ATOMIZED PARTICLES AND SUBJECTING THE COMPACT TO A WROUGHT OPERATION.
Inventors
- 👤 G Foerster
- 👤 G Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:23
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02; C22C1/023
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) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |