Patent US3227548A successfully refreshed from Google Patents.
US3227548A
Expired / Lapsed
US
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Chromium base alloy
Assignee: General Electric Co
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Filing: 1963-02-18
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Granted: 1966-01-04
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jack W Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:49
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
AN IMPROVED CHROMIUM BASE ALLOY CONSISTING OF, BY WEIGHT: 5-15% W; UP TO ABOUT 10% MO; ABOUT 0.4-2% OF ELEMENTS SELECTED FROM THE GROUP CONSISTING OF TI,ZR AND HF; 0.05-0.2% C; UP TO ABOUT 0.7% RETAINED Y; WITH THE BALANCE CR AND INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
44 words
AN IMPROVED CHROMIUM BASE ALLOY CONSISTING OF, BY WEIGHT: 5-15% W; UP TO ABOUT 10% MO; ABOUT 0.4-2% OF ELEMENTS SELECTED FROM THE GROUP CONSISTING OF TI,ZR AND HF; 0.05-0.2% C; UP TO ABOUT 0.7% RETAINED Y; WITH THE BALANCE CR AND INCIDENTAL IMPURITIES.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |