US3411899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel-chromium alloys with delayed aging characteristics
Assignee: Huntington Alloys Corp
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Filing: 1966-07-15
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Granted: 1968-11-19
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Expires: 1986-07-15
Abstract
No abstract record available.
Inventors
- 👤 Richards Edward Gordon
- 👤 Ward David Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:49
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056; C22C19/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PRECIPTATION-HARDENABLE NICKEL-CHROMIUM-COBALT ALLOY ADAPTED FOR ELEVATED TEMPERATURE USE AND CHARACTERIZED BY THE UNIQUE CAPABILITY OF DELAYING THE ONSET OF PRECIPITATION HARDENING WHEREBY EASE IN PROCESSING THE ALLOYS IS FACILITATED, SAID ALLOY CONSISTING ESSENTIALLY OF FROM ABOUT 16% TO 24% CHROMIUM, ABOUT 5% TO 35% COBALT, UP TO 15% IRON WITH THE COBALT AND IRON BEING CORRELATED SUCH THAT THE FOLLOWING RELATIONSHIPS ARE SATISFIED:
Claim 2
Dependent Claim
64 words
A PRECIPTATION-HARDENABLE NICKEL-CHROMIUM-COBALT ALLOY ADAPTED FOR ELEVATED TEMPERATURE USE AND CHARACTERIZED BY THE UNIQUE CAPABILITY OF DELAYING THE ONSET OF PRECIPITATION HARDENING WHEREBY EASE IN PROCESSING THE ALLOYS IS FACILITATED, SAID ALLOY CONSISTING ESSENTIALLY OF FROM ABOUT 16% TO 24% CHROMIUM, ABOUT 5% TO 35% COBALT, UP TO 15% IRON WITH THE COBALT AND IRON BEING CORRELATED SUCH THAT THE FOLLOWING RELATIONSHIPS ARE SATISFIED:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |