Patent US617116A successfully refreshed from Google Patents.
Patent US3005705A successfully refreshed from Google Patents.
US3005705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature alloys
Assignee: Westinghouse Electric Corp
•
Filing: 1959-07-30
•
Granted: 1961-10-24
•
Expires: 1979-07-30
Abstract
No abstract record available.
Inventors
- 👤 Alexander W Cochardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:14
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A NOTCH-DUCTILE ALLOY HAVING GOOD STRESS RUPTURE PROPERTIES UNDER LOAD IN A TEMPERATURE RANGE OF FROM 650*C. TO 870*C., COMPRISING, BY WEIGHT, 27.7% TO 32.5% NICKEL, 18% TO 19.5% CHROMIUM, 7.25% TO 8.75% TUNGSTEN, 3.5% TO 4.5% MOLYBDENUM, 3% TO 4% TITANIUM, .01% TO 1.5% HAFNIUM, LESS THAN 2% IRON, AND THE BALANCE COBALT EXCEPT FOR INCIDENTAL IMPURITIES AMOUNTING TO NOT MORE THAN 1%.
Claim 2
Dependent Claim
64 words
A NOTCH-DUCTILE ALLOY HAVING GOOD STRESS RUPTURE PROPERTIES UNDER LOAD IN A TEMPERATURE RANGE OF FROM 650*C. TO 870*C., COMPRISING, BY WEIGHT, 27.7% TO 32.5% NICKEL, 18% TO 19.5% CHROMIUM, 7.25% TO 8.75% TUNGSTEN, 3.5% TO 4.5% MOLYBDENUM, 3% TO 4% TITANIUM, .01% TO 1.5% HAFNIUM, LESS THAN 2% IRON, AND THE BALANCE COBALT EXCEPT FOR INCIDENTAL IMPURITIES AMOUNTING TO NOT MORE THAN 1%.
References Cited (Backward Citations)
US2304353A
Cited
US2570193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |