US2948034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting mold and method of casting carbon-containing alloys
Assignee: Sulzer AG
•
Filing: 1957-10-09
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Granted: 1960-08-09
•
Expires: 1977-10-09
Abstract
No abstract record available.
Inventors
- 👤 Schneider Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:46
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308243A
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US820099A
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US1706858A
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US1650700A
Cited
GB299854A
Cited
US1871315A
Cited
US2123536A
Cited
US2218781A
Cited
US2435121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |