Patent FR437528A successfully refreshed from Google Patents.
FR437528A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to ball bearings such as those to be included, in particular, to the rollers of roller skates, and made, in addition, to these skates themselves
Assignee: Individual
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Filing: 1911-12-13
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Granted: 1912-04-23
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Expires: 1931-12-13
Abstract
No abstract record available.
Inventors
- 👤 Raoul De Murat
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 23:25
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/02; A63C17/22
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Total Claims: 0
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