Patent US5615263A successfully refreshed from Google Patents.
Patent US3107997A successfully refreshed from Google Patents.
US3107997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unfired pressure vessel
Assignee: Huntington Alloys Corp
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Filing: 1961-07-31
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Granted: 1963-10-22
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Roland A Kozlik
- 👤 Charles J Novak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:13
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN UNFIRED PRESSURE VESSEL FOR USE AT TEMPERATURES OF ABOUT 800*F. TO ABOUT 1200*F. MADE OF A STABLE, NON-AGE HARDENABLE AUSTENITIC ALLOY CONSISTING ESSENTIALLY OF ABOUT 8% TO ABOUT 14% NICKEL, ABOUT 15% TO ABOUT 21% CHROMIUM, ABOUT 0.0015% TO ABOUT 0.03% BORON, ABOUT 0.008% TO ABOUT 0.08% NITROGEN, UP TO ABOUT 2% MANGANESE, UP TO ABOUT 0.15% CARBON, UP TO ABOUT 0.2% ALUMINUM, UP TO ABOUT 0.25% TITANIUM, UP TO ABOUT 0.5% COPPER, UP TO ABOUT 1% SILICON, UP TO ABOUT 0.25% COLUMBIUM, UP TO ABOUT 0.2% VANADIUM, UP TO ABOUT 1% MOLYBDENUM WITH THE BALANCE BEING ESSENTIALLY IRON, THE ELEMENTS IN SAID ALLOY BEING SO CORRELATED THAT WHEN THE EFFECTIVE FACTOR OF SAID ALLOIY IS PLOTTED AGAINST THE BORON CONTENT THEREOF, THE ALLOY IS REPRESENTABLE BY A POINT LYING TO THE RIGHT OF THE CURVE IN THE ACCOMPANYING DRAWING.
Claim 2
Dependent Claim
141 words
AN UNFIRED PRESSURE VESSEL FOR USE AT TEMPERATURES OF ABOUT 800*F. TO ABOUT 1200*F. MADE OF A STABLE, NON-AGE HARDENABLE AUSTENITIC ALLOY CONSISTING ESSENTIALLY OF ABOUT 8% TO ABOUT 14% NICKEL, ABOUT 15% TO ABOUT 21% CHROMIUM, ABOUT 0.0015% TO ABOUT 0.03% BORON, ABOUT 0.008% TO ABOUT 0.08% NITROGEN, UP TO ABOUT 2% MANGANESE, UP TO ABOUT 0.15% CARBON, UP TO ABOUT 0.2% ALUMINUM, UP TO ABOUT 0.25% TITANIUM, UP TO ABOUT 0.5% COPPER, UP TO ABOUT 1% SILICON, UP TO ABOUT 0.25% COLUMBIUM, UP TO ABOUT 0.2% VANADIUM, UP TO ABOUT 1% MOLYBDENUM WITH THE BALANCE BEING ESSENTIALLY IRON, THE ELEMENTS IN SAID ALLOY BEING SO CORRELATED THAT WHEN THE EFFECTIVE FACTOR OF SAID ALLOIY IS PLOTTED AGAINST THE BORON CONTENT THEREOF, THE ALLOY IS REPRESENTABLE BY A POINT LYING TO THE RIGHT OF THE CURVE IN THE ACCOMPANYING DRAWING.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |