US3561955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable nickel base alloy
Assignee: Lockheed Martin Corp
•
Filing: 1966-08-30
•
Granted: 1971-02-09
•
Expires: 1986-08-30
Abstract
Abstract A NICKEL BASE ALLOY HAVING A BALANCE OF THE ELEMENTS CHROMIUM, TUNGSTEN, OLYBDENUM, COLUMBIUM, TANTALUM, TITANIUM AND ALUMINUM TO PROVIDE STRENGTH AND STABILITY AT HIGH TEMPERATURES, DUCTILITY AT INTERMEDIATE TEMPERATURES AND RESISTANCE TO SULFIDATION WHEN THE COMPONENTS HAVING A HARDENING FACTOR AS FOLLOWS: 1X, CR+1.1X% W+1.8X% MO+3.4X% CB+1.7X% TA+4.3X% TI+6X% AL=55 TO 67 AND A STABILITY FACTOR AS FOLLOWS: .66 NI MATRIX+1.70 CO MATRIX+4.66 CR MATRIX +5.66 (W MATRIX+MO MATRIX)=LESS THAN 2.50
Inventors
- 👤 Harold L Wheaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:42
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |