US1965949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for casting ferrous metals
Assignee: American Steel Foundries
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Filing: 1931-07-30
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Granted: 1934-07-10
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Expires: 1951-07-30
Abstract
No abstract record available.
Inventors
- 👤 Walcher Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:06
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/06; B22C9/061; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1937-07-09 | 1938-01-08 | 1938-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-07-09 | 1942-01-08 | 1942-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-07-09 | 1946-01-08 | 1946-07-10 | $7700.00 | Window Closed / Lapsed |