FR633633A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Arrangement of ridges or grooves for rotating cylinders used in knife sharpening machines
Assignee: Leo Steiner
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Filing: 1927-04-30
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Granted: 1928-02-01
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Expires: 1947-04-30
Abstract
No abstract record available.
Inventors
- 👤 Leo Steiner
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 07:43
CPC Classifications
B; B24; B24D; B24D15/00; B24D15/06; B24D15/08; B24D15/081; B24D15/082
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