US2441126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation resistant alloys
Assignee: CALLITE TUNGSTEN Corp
•
Filing: 1944-01-13
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Granted: 1948-05-11
•
Expires: 1964-01-13
Abstract
No abstract record available.
Inventors
- 👤 Kurtz Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:29
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/002; C22C1/00; C22C1/04; C22C1/0433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1519862A
Cited
US2075444A
Cited
US2205611A
Cited
US2192744A
Cited
US2289897A
Cited
US2331909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |