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US3030678A
Expired / Lapsed
US
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Method of disintegrating a sand mold while in association with a flask and a casting
Assignee: Individual
•
Filing: 1959-09-08
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Granted: 1962-04-24
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Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Sr William J Huston
- 👤 Mott Arthur E De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:32
CPC Classifications
B; B22; B22D; B22D29/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2028933A
Cited
US2399680A
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US2651087A
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US2585105A
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US2826369A
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US2714563A
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US2829406A
Cited
DE1030974B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |