US2515216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for centering and clamping a flask in position in centrifugal casting machines
Assignee: A R D Corp
•
Filing: 1947-05-24
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Granted: 1950-07-18
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Expires: 1967-05-24
Abstract
No abstract record available.
Inventors
- 👤 John D Guelph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:48
CPC Classifications
B; B22; B22D; B22D13/00; B22D13/02; B22D13/026; B22D13/10; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1913; Y10T279/1921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1517579A
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US1501338A
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US1691464A
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US1713803A
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US1846482A
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US1917872A
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US2207621A
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US2361906A
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US2385631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |