Patent US2625719A successfully refreshed from Google Patents.
US2625719A
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US
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Vacuum casting apparatus
Assignee: National Research Corp
•
Filing: 1950-09-27
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Granted: 1953-01-20
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Expires: 1970-09-27
Abstract
No abstract record available.
Inventors
- 👤 James H Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:34
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/10; B; B22; B22D; B22D18/00; B22D18/06; Y; Y10; Y10S; Y10S164/00; Y10S164/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US262625A
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US1022910A
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US1354286A
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GB367246A
Cited
US1897589A
Cited
US2133634A
Cited
GB439472A
Cited
US2140607A
Cited
US2371604A
Cited
US2289484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |