FR858813A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improved method and apparatus for tamping sand in molds
Assignee: Earl Franklin Oyster
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Filing: 1939-08-07
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Granted: 1940-12-04
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Expires: 1959-08-07
Abstract
No abstract record available.
Inventors
- 👤 Earl Franklin Oyster
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 17:34
CPC Classifications
B; B22; B22C; B22C15/00; B22C15/28; B22C15/30
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References Cited (Backward Citations)
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