DE457191C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Teaching aids to illustrate the size of revolutions, peripheral speed and gear ratios in rotating bodies
Assignee: Individual
•
Filing: 1927-03-15
•
Granted: 1928-03-10
•
Expires: 1947-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 21:38
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/06; G09B23/08; G09B23/10
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