US2472071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold assembly for producing cast metal slabs
Assignee: GATHMANN RES Inc
•
Filing: 1945-08-06
•
Granted: 1949-06-07
•
Expires: 1965-08-06
Abstract
No abstract record available.
Inventors
- 👤 Gathmann Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:17
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06; B22D7/08
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |