Patent US2476296A successfully refreshed from Google Patents.
US2476296A
Expired / Lapsed
US
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Metal casting apparatus
Assignee: Individual
•
Filing: 1945-08-08
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Granted: 1949-07-19
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Expires: 1965-08-08
Abstract
No abstract record available.
Inventors
- 👤 Russell G Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:14
CPC Classifications
B; B22; B22D; B22D27/00; B22D27/09; B22D27/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US316544A
Cited
US2295227A
Cited
US1239586A
Cited
US2205327A
Cited
US2335008A
Cited
US2439450A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |