Patent US3174853A successfully refreshed from Google Patents.
US3174853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chromium base alloys
Assignee: General Electric Co
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Filing: 1962-03-15
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Granted: 1965-03-23
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Expires: 1982-03-15
Abstract
No abstract record available.
Inventors
- 👤 Chester T Sims
- 👤 Jack W Clark
- 👤 Edward S Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:50
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A CHROMIUM BASE ALLOY HAVING AN IMPROVED COMBINATION OF STRENGTH AND OXIDATION RESISTANCE CONSISTING ESSENTIALLY OF: 0.1-0.2 WEIGHT PERCENT CARBON; 0.001-0.5 WEIGHT PERCENT YTTRIUM; AT LEAST ONE OF THE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF TI, ZR AND HF, THE
Claim 2
Dependent Claim
41 words
A CHROMIUM BASE ALLOY HAVING AN IMPROVED COMBINATION OF STRENGTH AND OXIDATION RESISTANCE CONSISTING ESSENTIALLY OF: 0.1-0.2 WEIGHT PERCENT CARBON; 0.001-0.5 WEIGHT PERCENT YTTRIUM; AT LEAST ONE OF THE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF TI, ZR AND HF, THE
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |