Patent US3203794A successfully refreshed from Google Patents.
US3203794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium-high aluminum alloys
Assignee: Crucible Steel Company of America
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Filing: 1957-04-15
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Granted: 1965-08-31
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Expires: 1977-04-15
Abstract
No abstract record available.
Inventors
- 👤 Robert I Jaffee
- 👤 Horace R Ogden
- 👤 Daniel J Maykuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:56
CPC Classifications
C; C22; C22C; C22C14/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A TITANIUM-BASE ALLOY CONTAINING ABOUT 34 TO 46% OF ALUMINUM, AND CHARACTERIZED IN MAINTAINING SUBSTANTIALLY ITS ROOM TEMPERATURE HARDNESS AT TEMPERATURES AS HIGH AS ABOUT 1250*C., AND IN BEING HIGHLY RESISTANT TO OXIDATAION AT ELEVATED TEMPERATURES UP TO AT LEAST 1050* C.
Claim 2
Dependent Claim
42 words
A TITANIUM-BASE ALLOY CONTAINING ABOUT 34 TO 46% OF ALUMINUM, AND CHARACTERIZED IN MAINTAINING SUBSTANTIALLY ITS ROOM TEMPERATURE HARDNESS AT TEMPERATURES AS HIGH AS ABOUT 1250*C., AND IN BEING HIGHLY RESISTANT TO OXIDATAION AT ELEVATED TEMPERATURES UP TO AT LEAST 1050* C.
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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |