US3113227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium alloy articles resistant to hydrogen absorption for dynamoelectric machines
Assignee: Crucible Steel Company of America
•
Filing: 1960-03-21
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Granted: 1963-12-03
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Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 Howard B Bomberger
- 👤 Ernest E Knapek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:43
CPC Classifications
H; H02; H02K; H02K9/00; H02K9/24; C; C22; C22C; C22C14/00; C23; C23F; C23F11/00; C23F11/02; H02K9/10; H02K9/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
IN COMBINATION: AN ELECTRICAL CURRENT GENERATOR, A SUBSTANTIALLY GAS-TIGHT HOUSIG ENCASING THE SAME, A LOWDENSITY, HEAT-TRANSFERRING ATMOSPHERE WITHIN SAID HOUSING, CONSISTING OF HYDROGEN CONTAINING ABOUT 0.1 TO 1% OF AT LEAST ONE MEMEBER OF THE GROUP CONSISTING OF OXYGEN AND WATER VAPOR, AND AT LEAST ONE COMPONENT OF SAID GENERATOR EXPOSED TO SAID ATMOSPHERE WITHIN SAID HOUSING BEING MADE OF TITANIUM BASE ALLOY CONTAINING ABOUT 5 TO 30% OF AT LEAST ONE ALPHA PROMOTER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, TIN AND ZIRCONIUM, UP TO ABOUT
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |