US3244514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alloy steels and articles made thereof
Assignee: Huntington Alloys Corp
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Filing: 1962-09-12
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Granted: 1966-04-05
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Expires: 1982-09-12
Abstract
No abstract record available.
Inventors
- 👤 Blower Roy
- 👤 Clark Charles Alfred
- 👤 Fleetwood Michael John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:11
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
AN ALLOY STEEL CHARACTERIZED BY GOOD MAGNETIC INDUCTION PROPERTIES TOGETHER WITH A LOW IMPACT TRANSITION TEMPERATURE AND BEING PARTICULARLY ADAPTABLE FOR USE AS FORGINGS IN THE MANUFACTURE OF ROTORS CONSISTING ESSENTIALLY OF ABOUT 0.2% TO ABOUT 0.3% CARBON, ABOT 0.2% TO ABOUT 0.6% MANGANESE, ABOUT 4% TO ABOUT 4.5% NICKEL, ABOUT 2% TO ABOUT 5% COBALT, ABOUT 0.25% TO ABOUT 0.5% MOLYBDENUM, UP TO ABOUT 0.2% VANADIUM, UP TO 0.4% SILICON, ABOUT 1% TO ABOUT 1.5% CHROMIUM WITH THE BALANCE BEING ESSENTIALLY IRON, SAID ALLOY STEEL BEING FURTHER CHARACTERIZED IN HAVING AN AE1 TEMPERATURE OF AT LEAST 600*C.
Claim 2
Dependent Claim
98 words
AN ALLOY STEEL CHARACTERIZED BY GOOD MAGNETIC INDUCTION PROPERTIES TOGETHER WITH A LOW IMPACT TRANSITION TEMPERATURE AND BEING PARTICULARLY ADAPTABLE FOR USE AS FORGINGS IN THE MANUFACTURE OF ROTORS CONSISTING ESSENTIALLY OF ABOUT 0.2% TO ABOUT 0.3% CARBON, ABOT 0.2% TO ABOUT 0.6% MANGANESE, ABOUT 4% TO ABOUT 4.5% NICKEL, ABOUT 2% TO ABOUT 5% COBALT, ABOUT 0.25% TO ABOUT 0.5% MOLYBDENUM, UP TO ABOUT 0.2% VANADIUM, UP TO 0.4% SILICON, ABOUT 1% TO ABOUT 1.5% CHROMIUM WITH THE BALANCE BEING ESSENTIALLY IRON, SAID ALLOY STEEL BEING FURTHER CHARACTERIZED IN HAVING AN AE1 TEMPERATURE OF AT LEAST 600*C.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |