US2656593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling castings over sizing forms
Assignee: Individual
•
Filing: 1951-09-21
•
Granted: 1953-10-27
•
Expires: 1971-09-21
Abstract
No abstract record available.
Inventors
- 👤 Company The Cleveland Trust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:27
CPC Classifications
B; B22; B22D; B22D31/00; B22D31/002; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49988
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US178044A
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US606675A
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US1695239A
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US1003409A
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US1281946A
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US1776145A
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US2284346A
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US2284729A
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US2572064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |