Patent US3371822A successfully refreshed from Google Patents.
Patent US2805153A successfully refreshed from Google Patents.
US2805153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High tensile vanadium alloys
Assignee: IIT Research Institute
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Filing: 1955-04-04
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Granted: 1957-09-03
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Expires: 1975-04-04
Abstract
No abstract record available.
Inventors
- 👤 Rostoker William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:54
CPC Classifications
C; C22; C22C; C22C27/00; C22C27/02; C22C27/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A HIGH TENSILE STRENGHT ALLOY CONTAINING TITANIUMM IN AMOUNTS FROM 20 TO 50% BY WEIGHT, A SIGNIFICANT AMOUNT OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, SILICON, AND CHROMIUM IN AMOUNTS UP TO 10% BY WEIGHT, AND THE BALANCE BEING SUBSTANTIALLY ALL VANADIUM.
Claim 2
Dependent Claim
45 words
A HIGH TENSILE STRENGHT ALLOY CONTAINING TITANIUMM IN AMOUNTS FROM 20 TO 50% BY WEIGHT, A SIGNIFICANT AMOUNT OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, SILICON, AND CHROMIUM IN AMOUNTS UP TO 10% BY WEIGHT, AND THE BALANCE BEING SUBSTANTIALLY ALL VANADIUM.
References Cited (Backward Citations)
DE718822C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |