Patent US3401259A successfully refreshed from Google Patents.
Patent US3170789A successfully refreshed from Google Patents.
US3170789A
Expired / Lapsed
US
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Nickel-base alloy
Assignee: Owens Corning
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Filing: 1961-11-16
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Granted: 1965-02-23
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Expires: 1981-11-16
Abstract
No abstract record available.
Inventors
- 👤 Robert M Woodward
- 👤 Arthur C Heitmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:44
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/055
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AN ALLOY CONSISTING ESSENTIALLY OF THE FOLLOWING IN PERCENTAGES BY WEIGHT: 26 TO 27 PERCENT OF CHROMIUM, 5 TO 6 PERCENT OF TUNGSTEN, 3 TO 4 PERCENT OF IRON, 1.0 TO 1.3 PERCENT OF SILICON, 0.23 TO 0.27 PERCENT OF CARBON, AND THE BALANCE ESSENTIALLY NICKEL, SAID ALLOY BEING CHARACTERIZED BY RESISTANCE TO ATTACK BY MOLTEN GLASS, LOW CREEP, AND HIGH LOAD CARRYING ABILITY AT ELEVATED TEMPERATURES.
Claim 2
Dependent Claim
67 words
AN ALLOY CONSISTING ESSENTIALLY OF THE FOLLOWING IN PERCENTAGES BY WEIGHT: 26 TO 27 PERCENT OF CHROMIUM, 5 TO 6 PERCENT OF TUNGSTEN, 3 TO 4 PERCENT OF IRON, 1.0 TO 1.3 PERCENT OF SILICON, 0.23 TO 0.27 PERCENT OF CARBON, AND THE BALANCE ESSENTIALLY NICKEL, SAID ALLOY BEING CHARACTERIZED BY RESISTANCE TO ATTACK BY MOLTEN GLASS, LOW CREEP, AND HIGH LOAD CARRYING ABILITY AT ELEVATED TEMPERATURES.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |